Atoms and The Periodic Table

Front

Where are nonmetals found on the Periodic Table?

Back

to the right of the stair step

Front

How do you find out the number of protons in an atom?

Back

atomic number

Front

How do you find out the number of neutrons in an atom?

Back

atomic mass - atomic number

Front

The mass of a proton is _______.

Back

1 amu

Front

The part of the atom that determines the identity of the atom is the ____________. Options: proton, nucleus, electron, neutron

Back

proton

Front

What element is this model showing? Options: Lithium, Boron, Carbon, Neon

Back

Neon

Front

The vertical (up and down) columns in the Periodic Table are called

Back

groups

Front

What does an atom's group tell us?

Back

Number of valence electrons

Front

Choose the correct number of valence electrons for Barium: 1, 2, 3, 4

Back

2

Front

An atom becomes _________ when it gains electrons.

Back

Negative