Consider the orbitals shown below
Which of these diagrams correctly shows the electron configuration for the atom with one more electron than the one shown above?
Answers
Answer:b
Explanation:
The option that correctly shows the electron configuration for the atom with one more electron than the one shown above would be the second diagram.
According to Hund's rule, electrons are distributed into empty orbitals singly before pairing can start.
Following the rule:
diagram 1 is incorrect because the first 3p orbital is already paired while the third one remains empty.diagram 3 is incorrect because the orientation of the electron in the third p orbital is wrongdiagram 4 is incorrect because the first 3p orbital already has 2 electrons (with a disoriented one) while the third 3p orbital remains empty.The only diagram that follows Hund's rule is diagram 2.
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Related Questions
10. How does a heterogeneous mixture differ from a homogeneous mixture? How are they similar?
Answers
What are the parts of this water wheel system?Label the water wheel to show the matter and forms of energy that flow through the system?
Answers
Answer:
Water, wheel and paddles or bucket are the parts and mechanical energy is produced.
Explanation:
The parts of water wheel system are water, wheel and paddles or bucket. The main purpose of water wheel system is to generate useful energy by using the flowing or falling of water on the wheel. We use this water wheel system for the conversion of kinetic energy into mechanical energy such as water mill or hydroelectric plant in which the blades movement is responsible for the generation of electricity.
When a strip of magnesium metal is touched to a flame, a bright light and a whitish substance are produced. Why is the burning of magnesium considered a chemical change? because the metal reaches a high temperature because the metal begins to melt because a new substance is formed because the metal is malleable
Answers
Answer:C
Explanation: on Edge
Answer: letter c is the answer
Explanation:
Round 2.6765 to two significant figures
Answers
Answer:
2.7 Significant Figures
Explanation:
The two significant figure value is "2.7".
Significant figures:Users were required to round up the given value, 2.6765, to two significant numbers in this challenge. Since the given number has no zeroes, all the digits are significant. Therefore, if we need and round the given number to 2 major digits, the number should only have two numbers.
Then we must select if the last digit to be preserved will be scaled up or down, and this will be determined either by digit following the last digit to be retained.Whereas if the digit after the last digit to be kept is greater than 5, the last digit should be rounded up.A digit following the last digit to be kept in the supplied number is 7, which is more than 5, hence using the aforementioned concept, So, the round figure value is "2.7".Therefore, the round figure value is "2.7".
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what is astrobiology
Answers
Answer:Astrobiology, formerly known as exobiology, is an interdisciplinary scientific field concerned with the origins, early evolution, distribution, and future of life in the universe.
Explanation:
Answer: the branch of biology concerned with the study of life on earth and in space.
Explanation: Astrobiology is an interdisciplinary scientific field concerned with the origins, early evolution, distribution, and future of life in the universe. Astrobiology considers the question of whether extraterrestrial life exists, and if it does, how humans can detect it.
4 Al(s) + 3 O2(g) --> 2Al2O3 (s) What mole ratio would you use to convert from the given quantity of moles of aluminum to the wanted unit of moles of aluminum oxide?
Answers
Answer:
1:2
Explanation:
For every 4 moles of aluminum, there are 2 moles of aluminum oxide, so the mole ratio when converting from aluminum to alunmimum oxide is
2 moles aluminum oxide:4 moles aluminum. This can be simplified to 1:2.
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3. All the water found on Earth's surface, below ground, and as a liquid in the
atmosphere makes up the
_________
Answers
Answer:
hydrosphere
Explanation:
Claim: If I brush my teeth everyday, then I won't get cavities.
In this statement, the dependent variable is
I
Answers
Answer:
I wont get cavities it the dependent variable
Explanation:
is evaporation of water a physical change or a chemical change ?
Answers
Answer:
Physical
Explanation:
Water is the chemical form of 2 hydrogen and 1 oxygen (H2O)
It is still H2O, as nothing made it chance that formula.
why is a graduated cylinder most appropriate for measuring the volume of a liquid instead of a beaker ?
Answers
Answer:
Graduated cylinders are designed for accurate measurements of liquids with a much smaller error than beakers. They are thinner than a beaker, have many more graduation marks, and are designed to be within 0.5-1% error. ... Therefore, this more precise relative of the beaker is just as critical to almost every laboratory.
Explanation:
hope this helped!
Describe the many different forms of energy involved with stretching and releasing a rubber band. What other processes are similar to this model?
Answers
Answer:
Conversion of kinetic energy to potential energy (chemo mechanical energy)
In the state of rest, the rubber is a tangled mass of long chained cross-linked polymer that due to their disorderliness are in a state of increased entropy. By pulling on the polymer, the applied kinetic energy stretches the polymer into straight chains, giving them order and reducing their entropy. The stretched rubber then has energy stored in the form of chemo mechanical energy which is a form of potential energy
Conversion of the stored potential energy in the stretched to kinetic energy
By remaining in a stretched condition, the rubber is in a state of high potential energy, when the force holding the rubber in place is removed, due to the laws of thermodynamics, the polymers in the rubber curls back to their state of "random" tangled mass releasing the stored potential energy in the process and doing work such as moving items placed in the rubber's path of motion such as an object that has weight, w then takes up the kinetic energy 1/2×m×v² which can can result in the flight of the object.
Explanation:
Answer:
Elastic potential energy------> kinetic energy --------> elastic potential energy
Explanation:
Elastic potential energy is the energy stored in a spiral spring. When a rubber band is stretched, this elastic potential energy is capable of doing work. This energy is just stored inside the rubber band and released when work is done by the rubber band.
Once the rubber band is released and it is in motion, the energy of the rubber is kinetic energy.
The system is similar to a simple pendulum.
Which of the following is a physical
change?
A iron rusting under water
B copper turning green in the air
C solid iodine subliming into a gas
D hydrogen and oxygen producing water
Answers
Answer:
C. solid iodine subliming into a gas
Explanation:
A physical change is a change that is reversible and can be reversed back into the original product. The atoms and molecules undergoes some rearrangement in the physical change. The process of change in the state of matters are placed under physical change. Solid iodine sublimes into purple gas on heating. The gas is then changed back to iodine crystals after being cooled. Hence, this is an example of a physical change.
Which of the following has a crystalline structure?
Answers
Answer:A copper-gold alloy has a crystalline structure
Explanation:
I need to do this but i really don’t know what to write about so can everyone help me and just put something nice i should put
Answers
Answer:
Just say you expect all the help you need.
Explanation:
Say that you expect to get as much help as you can and that you expect to he welcomed and loved
both questions pls !!
Answers
Answer:
b and C
Explanation:
Which of the following equations can be used to solve volume of a solution using
molarity equation?
Answers
Answer:Molarity can be used to calculate the volume of solvent or the amount of solute. The relationship between two solutions with the same amount of moles of solute can be represented by the formula c1V1 = c2V2, where c is concentration and V is volume.
Explanation: c1V1 = c2V2
The equation that can be used to solve the volume of a solution using the molarity equation is:
Molarity (M) = moles of solute (mol) / volume of solution (L)
This equation can be rearranged to solve for the volume of solution:
Volume of solution (L) = moles of solute (mol) / Molarity (M)
By knowing the molarity of the solution and the number of moles of solute, you can substitute these values into the equation to calculate the volume of the solution.
It's important to note that this equation assumes the molarity is given in units of moles per liter (mol/L). If the molarity is given in a different unit, it may need to be converted before using the equation.
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Your question is incomplete, but most probably your full question was.
Which of the following equations can be used to solve volume of a solution using molarity equation?
Volume moles ÷ molarity
Volume-moles + molarity
Volume moles + molarity
Volume = moles x molarity
is saliva a element compound or mixture
Answers
Answer:
mixture
Explanation:
Answer:
mixture
Explanation:
Why do scientists believe that virus diversity, virosphere is unimaginably vast?
Answers
Answer:
Explanation:
no no knows
Answer:
I wish I was a scientist
.Put 8.4 x 10^-6 into standard notation.
Answers
Answer:
.0000084
Explanation:
Calculate the average atomic mass of boron (B), which has two isotopes: B-10 with 19.9% natural abundance, and B-11 with 80.1% abundance. Average atomic mass of boron = (f1)(M1) + (f2)(M2) Question 13 options: 12.1 amu 10.8 amu 9.2 amu 3.3 amu
Answers
Answer:
The average atomic mass of boron is found to be
10.80
Explanation:
also u answered it urself
Relative and average atomic mass both describe properties of an element related to its different isotopes. Out of these two Relative atomic mas is more accurate. Therefore, the average atomic mass of boron is 10.80amu. The correct option is option B.
What is mass?Mass defines the quantity of a substance. It is measured in gram or kilogram. Average mass is the mass of atoms of an element that are isotopes. It can be calculated by multiplying mass of a isotope to natural abundance of that isotope.
Average atomic mass = (mass of first isotope× percent abundance of first isotope)+(mass of second isotope× percent abundance of second isotope)
Substituting the given values
Average atomic mass=( 10 amu × 19.9%)+(11 amu × 80.1%)
Average atomic mass=10.80amu
Therefore, the average atomic mass of boron is 10.80amu. The correct option is option B.
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what will happen reaction of rubidium with water 
Answers
Answer:
reaction of rubidium with water
Explanation:
rubidium metals react very rapidly with water to form a colourless solution of rubidium hydroxide ( RbOH) and hydrogen gas H2
What is callibration of temperature
Answers
ouch that hurts
What is Temperature Calibration? Temperature calibration refers to the calibration of any device used in a system that measures temperature. Most importantly, this usually means the temperature sensor, itself, which is typically a platinum resistance thermometer (PRT or PT-100), thermistor, or thermocouple.
How do you find significant figures in numbers?
Answers
Answer:
Significant Figure Rules
Non-zero digits are always significant.
All zeros between other significant digits are significant.
The number of significant figures is determined by starting with the leftmost non-zero digit. The leftmost non-zero...
The rightmost digit of a decimal number is the least significant digit or least significant figure. Another way to look...
Explanation:
What does the term division of labor mean as it relates to cells?
Answers
Answer:
what each cells job is divided
Explanation:
1. Form a hypothesis: As altitude increases, the air pressure decreases. How do you think the lower pressure will affect the following? (Circle your answers.) A. Freezing point: Increase, Stay the same or Decrease B. Melting point Increase Stay the same Decrease C. Boiling point: Increase Stay the same Decrease
Answers
Answer:
A. Freezing point: Increase.
B. Melting point: Decrease
C. Boiling point: Decrease
Explanation:
As we go up in higher altitudes the air becomes on and less dense, hence the decrease in the water vapor content at such altitude leads to a decrease of boiling point. Thus the air above is cool and much colder than at the ground surface. The vapor pressure is temperature-dependent and thus melting point will also decrease.Answer:
A increase
B decrease
C decrease
Explanation:
The Gateway Arch in St. Louis, MO is approximately 630 ft tall. How many U.S. half dollars would be in a stack of the same height? Each half dollar is 2.15 mm thick.
Answers
Answer:
The number of half dollars in the stack of the height of the Gateway Arch in St. Louis is 89,313 half dollars
Explanation:
The given height of the Gateway Arch in St. Louis = 630 ft
The thickness of each half dollar = 2.15 mm
By conversion of factors, we have;
1 feet = 304.8 mm
Therefore;
630 ft. = 304.8 × 630 mm = 192,024 mm
The number of half dollars that will stack up to 630 ft or 192,024 mm, is therefore, given as follows;
The number, n, of half dollars in the stack of the height of the Gateway Arch in St. Louis = The height of the Gateway Arch in St. Louis/(The thickness of each half dollar)
n = 630 ft/(2.15 mm/(half dollar)) = 192,024 mm/(2.15 mm/(half dollar)) = 89,313.49 ≈ 89,313 half dollars
The number of half dollars in the stack of the height of the Gateway Arch in St. Louis = 89,313 half dollars.
differentiate between melting point and boiling point
Answers
Answer:
The main difference between boiling point and melting point is that the melting point is defined as the temperature at which solid and liquid phases are in equilibrium, whereas the boiling point is the temperature at which the vapour pressure of a liquid is equal to the external pressure
The experimental group is the group that is left alone during the experiment
Answers
Answer:
The given statement is false.
Explanation:
A common method of experimentation that is used to collect data on hypotheses of end up causing-effect is a contrast between two groups. One community, the experimental group, is receiving medication for having any result. Some other group becomes left exposed, the control group, whether creating a different treatment.Why water is a compound but air is a mixture?
Answers
Answer:
Explanation-
Water is a compound because it is formed from hydrogen and oxygen, which is irreversible, having different properties but air is a combination of different gases in any proportion.
Which of the following equations best describes the energy at point
C, assuming energy is conserved?
O A. PEA= KEC
o B. PEA= KEc + PEC
C. PEg= KEC + PEC
O D. PEg = PEC
Answers
Answer:
The correct option is
B. PEA = KEC + PEC
Explanation:
The potential energy is the energy possessed due to position
From the image the point with the highest position and therefore the most potential energy and the lowest or zero kinetic energy is point A
Given that we have;
Total mechanical energy = The potential energy + The kinetic energy
Where there is constant total mechanical energy in the system, then, at the point A where the kinetic energy is zero, the potential energy is equal to the total mechanical of the system, we have;
Total mechanical energy = The potential energy at A = PEA
Total mechanical energy = PEA
At point C where we have the total mechanical energy presented as follows;
Total mechanical energy = Kinetic energy at C + Potential energy at C
Total mechanical energy = KEC + PEC
Therefore;
PEA = KEC + PEC.