Atomic Structure Re-Test

Front

How many electrons does N^-3 have?

Back

10

Front

How many neutrons does C-14 contain?

Back

8

Front

What is the atomic number of an atom with 3 protons?

Back

3

Front

What is the Mass Number of an atom with 6 protons and 6 neutrons?

Back

12

Front

Sodium has an atomic number of 11. How many protons does this atom have?

Back

11

Front

What is the definition of atomic number?

Back

The number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is the definition of mass number?

Back

The total number of protons and neutrons in an atom's nucleus.

Front

How do you calculate the number of neutrons in an atom?

Back

Mass number - Atomic number = Number of neutrons.

Front

What is the charge of a neutral atom?

Back

0 (it has an equal number of protons and electrons).

Front

What is the relationship between protons and electrons in a neutral atom?

Back

They are equal in number.