Front

True or False - Protons and Neutrons have about the same mass.

Back

True - They have about the same mass.

Front

What is the atomic mass of Boron?

Back

11

Front

Which particles are located in the nucleus?

Back

Protons & Neutrons.

Front

The 2nd energy level contains how many electrons?

Back

8 electrons.

Front

How many electrons does a Copper atom have?

Back

29.

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

What is the maximum number of electrons in the 1st energy level?

Back

2 electrons.

Front

What is the maximum number of electrons in the 3rd energy level?

Back

18 electrons.