Periodic Table Quiz

Match the following group names:

• Alkaline earth metals

• Group B

• Alkali metals

• Group 7A

• Noble gases

• Group 8A

• Halogens

• Group 1A

• Transition Metals

• Group 2A

Organize these options into the right categories

Groups:

(a) Metals

,

(b) Nonmetals

,

(c) Metalloids

• forms cations

• forms anions

• can gain, lose or share electrons

• conductors of electricity but not heat

• Mostly solids except 1

• always loses valence electrons

• shiny, reflect light

• Brittle

• can either gain or share valence electrons

• poor conductors

• malleable and ductile

• can form cations or anions

• conductors of electricity and heat

• All solids

• dull

• Mostly solids or gases except 1

How many valence electrons does calcium have? ___ / what charge ion does it form?___

• 2 /+2

• 2/-2

• 4/+4

• 2/+6

• 2/-6

Answer explanation

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

What element has 5 energy levels and 4 valence electrons?

• Sn (tin)

• V (vanadium)

• Pb (Lead)

• Te (Tellurium)

Atomic radius DECREASES when

• when you go across a row from right to left

• when you go down a group

• when you go across a row from left to right

• when you go across a group from left to right

Tags

NGSS.HS-PS1-1

Put in order of decreasing atomic radius

• Krypton

• Zinc

• Calcium

• Iron

• Bromine

Put in order of increasing electronegativity:

• Zn

• Fe

• Br

• Ar

• Ca

Put in order of increasing reactivity:

• N

• P

• As

• Ne

• O

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Put in order of increasing reactivity:

• Rb

• Co

• Ca

• Cu

• Al

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

What metal is most reactive

• lithium

• sodium

• potassium

• rubidium