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ella [17]
2 years ago
10

Describe the number of protons, neutrons, and electrons in the atom, where each type of particle is located, and how the terms a

tomic number, mass number, and atomic mass are related to the particles
Chemistry
2 answers:
Igoryamba2 years ago
5 0
The number of electrons in a neutral atom is equal to the number of protons. The mass number of the atom (M) is equal to the sum of the number of protons and neutrons in the nucleus. The number of neutrons is equal to the difference between the mass number of the atom (M) and the atomic number (Z).

Protons and neutrons are in the center of the atom, making up the nucleus. Electrons surround the nucleus. Protons have a positive charge.

Each element has a specific mass number and a specific atomic number. These two numbers are fixed for an element. The mass number tells us the number (the sum of nucleons) of protons and neutrons in the nucleus of an atom. it has mass number 235 , it means that the sum of neutrons and protons in a carbon atom is 235.3
aniked [119]2 years ago
5 0

Number of protons Equals number of electrons = atomic number The periodic chart tells us that Nitrogen has an atomic number of 7.

Nitrogen has seven protons and seven electrons. The formula is used to calculate the number of neutrons.

Number of neutrons = mass number - atomic number As a result, the number of neutrons in a nitrogen atom is 14-7=7.

Nitrogen has an atomic mass of 14.0067 amu.

The average atomic mass is the product of the isotopes' atomic masses multiplied by their abundance. As a result, the atomic mass is a fractional value.

If an element has three isotopes, then Atomic mass average Is the formula for calculating an element's average atomic mass.

So, the answer is that the nitrogen atom possesses seven protons.

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Lighting a match is an example of what kind of energy conversion?
Alika [10]

Answer:

Mechanical Energy to Thermal Energy

When you strike a match, it moves through the air until it rubs against a surface. The rubbing produces the heat required to light the match. This is a transformation from mechanical energy to thermal (heat) energy.

Explanation:

4 0
3 years ago
Read 2 more answers
What is the molar mass of Mg(ClO2)2?
olga_2 [115]
I believe the correct answer from the choices listed above is option D. The molar mass of <span>Mg(ClO2)2 is obtained by adding the atomic masses of each atom in the compound and the result is 159.21 g per mole. Hope this answers the question. Have a nice day.</span><span />
3 0
3 years ago
Which of the following sets of units could be appropriate for a zero-order rate constant?Answers-1L mol-1 s-1L2 mol-2 s-1L3 mol-
mars1129 [50]

Answer:

mol·L⁻¹·s⁻¹

Explanation:

In the case of a <em>zero-order reaction</em>, the reaction rate does not change with the decrease or increase in the concentrations of the reactants:

  • rate = k

And because the rate must have units of mol·L⁻¹·s⁻¹, then the rate constant <em>k</em> must also have units of mol·L⁻¹·s⁻¹.

3 0
3 years ago
What food molecules make up lettuse
uysha [10]
Lettuce
Vegetable.
Leaf lettuce.
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6 0
3 years ago
Be sure to answer all parts. One gallon of gasoline in an automobiles engine produces on average 9.50 kg of carbon dioxide, whic
Sever21 [200]

Answer:

The annual production of carbon dioxide is 9.12\times 10^{10} kg.

Explanation:

Distance covered by each car = 5790 miles

Rate of consumption of gasoline =24. mile/gal

For every 24.1 mile 1 gallon of gasoline is used

Gasoline used by a single car by travelling 5790 miles =

\frac{1}{24.1}\times 5790 mile=240.24 gal

Number of cars in the United states = 40.0 million = 4\times 10^7

Total gallons of gasoline consumed by 40 million cars = 4\times 10^7\times 240.24 gal=9.60\times 10^9 gal

1 gallon of gasoline produces = 9.50 kg of CO_2

Then 9.60\times 10^9 gal of gasoline will produce:

9.60\times 10^9\times 9.50 kg =9.12\times 10^{10} kg of CO_2

The annual production of carbon dioxide is 9.12\times 10^{10} kg.

6 0
3 years ago
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