Atomic Structure

Front

For a given element, the atomic number indicates the number of _____

Back

protons in the nucleus

Front

For an atom, the number of electrons is equal to the number of _____

Back

protons

Front

The positive particles of an atom are: electrons, positrons, neutrons, protons

Back

protons

Front

The central region of an atom where its neutrons and protons are is its

Back

nucleus

Front

Particles in an atom that are neutral and have no charge are: negatrons, electrons, neutrons, protons

Back

neutrons

Front

What number indicates the nucleus? Options: 1, 2, 3, 4

Back

4

Front

What number indicates an electron? Options: 1, 2, 3, 4

Back

3

Front

What is the mass number?

Back

the sum of the number of protons and the number of neutrons in the nucleus of an atom 

Front

Where is most of the mass in an atom located? Options: in the nucleus, in the protons, in the neutrons, in the electrons

Back

in the nucleus

Front

An atom with atomic number 6 would have how many protons?

Back

6