Test Review Periodic Trends

Atomic radius INCREASES when you go ________ a group

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

Ionization energy ________________ as you go DOWN a group

• increases

• decreases

Tags

NGSS.HS-PS1-1

Which atom has smaller ionization energy

• strontium

• iodine

Tags

NGSS.HS-PS1-1

What element is the most electronegative

• chlorine

• bromine

• iodine

• astatine

Tags

NGSS.HS-PS1-2

What element is the LEAST electronegative

• cadmium (Cd)

• antimony (Sb)

• Zirconium (Zr)

• Strontium (Sr)

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

How many valence electrons are in an atom of Se?

• 2
• 8
• 6
• 5

Tags

NGSS.HS-PS1-1

How many valence electrons are in an atom of Ba?

• 2
• 8
• 4
• 1

Tags

NGSS.HS-PS1-1

How many valence electrons are in an atom of Ar?

• 2
• 8
• 4
• 1

Tags

NGSS.HS-PS1-1

How many valence electrons are in an atom of In?

• 3
• 8
• 4
• 1

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2