Atoms and The Periodic Table

Electrons have a __________ charge.

• Negative

• Positive

• Neutral

• Pumpkin

Atomic Mass is.....

• The number of protons + the number of neutrons

• The number of electrons + the number of protons

• The number of neutrons + the number of electrons

The charge of a proton is....

• Negative

• Positive

• Neutral

• Scooby Doo

Electrons are found in

• The nucleus

• The zoo

• The electron cloud

Elements in the same group have the same number of...

• Protons

• Valence Electrons

• Shells/Energy Levels

The vertical columns (up and down) on the periodic table are called....

• Periods

• Groups

• Roman Colosseum

The horizontal rows (side to side) on the periodic table are called.....

• Periods

• Groups

• Commas

How many valence electrons does Bromine (Br) have?

• 6

• 17

• 7

• 25

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

The atomic # is the same as the number of ____________ in an atom.

• Protons

• Neutrons

How many protons does Lithium have?

• 2

• 1

• 3

Tags

NGSS.MS-PS1-1