Periodic Table Squares

What is the top number?

• atomic mass

• mass number

• atomic number

• element number

What else does the top number tell you?

• number of neutrons

• number of energy levels

• number of mass

• number of protons

Tags

NGSS.MS-PS1-1

What is the bottom number?

• atomic mass

• atomic number

• element number

• energy level number

What is the bottom number made of?

• neutrons and electrons

• protons and neutrons

• protons and electrons

• neutrons protons and electrons

Tags

NGSS.MS-PS1-1

How do you determine the number of neutrons?

• subtract mass number and atomic number

• multiply mass number and atomic number

• divide mass number and atomic number

• add mass number and atomic number

How many electrons fit in the first energy level?

• 1

• 2

• 4

• 8

How many electrons fit in the second energy level?

• 2

• 4

• 8

• 18