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Nitrogen is a non metal element. Mass number of it is 14.

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Q: What is the atomic mass number A for N with 7n?
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What is the mass and atomic number for N?

By N, I assume you mean Nitrogen. Nitrogen's Atomic number is 7, and its atomic mass is ~14.011.


What are the atomic and atomic mass numbers of nitrogen?

Nitrogen has a gram atomic mass of 14.0067, an atomic number of 7, and the chemical symbol N.


What symbol is used for mass number?

A = Mass Number Z = Atomic Number N = Neutron A - Z = N


If the atomic number is 79 and atomic mass is 179.?

Z is atomic number A is atomic mass N is number of neutrons Z=A-N 79 = 179 - N 179-79=100 so number of neutrons is equal to 100 This is one thing you can get from that given.


What is the atomic mass number for nitrogen?

The atomic weight is14.00674


What is the product of a number n and 7?

7n


An atom with a mass number of 45 has three more neutrons than protons What is the atomic number of this atom?

The atomic number is 21: The mass number is the sum of protons and neutrons, while the atomic number is the number of protons, designated n. From the statement of the problem, n+n+3 = 45, or 2n = 42, or n=21.


What is the mass number and atomic number of nitrogen?

Mass number: 14 Atomic/proton number: 7 If you look at the periodic table, the mass number is the top and the atomic number is the bottom number.


To find the number of neutrons is an isotope start with the mass number and what?

The mass number of an isotope is the number of neutrons and protons in the isotope, let this be p +n = (mass number). To find the number of neutrons you need the atomic number (number of protons), let this be p. You then subtract the two: mass number - atomic number = no. of neutrons p + n - p = no. of neutrons = n


To determine the number of neutrons in an atom, what must be done?

Find out the mass number (A) of the specific isotope of the element. Find out the atomic number (Z) of the element (e.g. from the periodic table). Number of Neutrons, N = A-Z.


What is the correct relation between mass number A atomic number Z and neutron number N?

N = a - z.


What is the relationship between istotopes mas number and neutrons?

atomic mass of an atom = number of neutrons + number of protons For example the Deuterium isotope of Hydrogen Atomic mass number = 2 Atomic number = 1 The atomic number is the same as number of protons, so the Deuterium isotope has 1 proton atomic mass of an atom = number of neutrons + number of protons 2 = n + 1 n = 1