Atomic Structure & History

Front

What is the atomic number of Lithium?

Back

3

Front

How many protons are in one atom of Lithium?

Back

3

Front

What is the mass number of Lithium?

Back

7

Front

What particles are found in the nucleus of an atom?

Back

Protons and Neutrons

Front

What is the charge of a proton?

Back

Positive

Front

What is the charge of a neutron?

Back

Neutral

Front

What is the charge of an electron?

Back

Negative

Front

Who proposed the planetary model of the atom?

Back

Niels Bohr

Front

What is the maximum number of electrons in the first shell of an atom?

Back

2

Front

What is the maximum number of electrons in the second shell of an atom?

Back

8