Bonding and Reactivity

The vertical column in a periodic table is called a--

• group

• line

• period

What is the correct charge on an electron?

• Positive

• Neutral

• Negative

How many valence electrons does Chlorine have?

• 7

• 17

• 2

• 22

How many valence electrons does Lithium Have?

• 3

• 4

• 1

• 7

What happens to the reactivity as you you down groups 1 and 2?

• It increases ( gets more reactive)

• It decreases (gets less reactive)

• It stays the same

Tags

NGSS.HS-PS1-2

Which element is the most reactive? Na, Li, Cs, K

• Na

• Li

• K

• Cs

What group number is the noble gases?

• 1

• 2

• 17

• 18

Which group do not react?

• Alkali

• Alkaline Earth

• Halogens

• Noble Gases

Which two groups are the most reactive?

• 1 and 2

• 1 and 18

• 1 and 17

• 2 and 18

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Why do the Noble Gases not react?

• they have an incomplete outer valence shell

• they have a complete outer valence shell

• they are gases

• they are nonmetals

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2