Inside an atom and 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

Put in order from biggest to smallest (decreasing size)

• Iron

• Bromine

• Krypton

• Zinc

• Calcium

Ionization energy ________________ as you go DOWN a group

• increases

• decreases

Tags

NGSS.HS-PS1-2

Which atom has larger ionization energy

• aluminum

• sulfur

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Which atom has smaller ionization energy

• strontium

• iodine

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Electron affinity ________________ as you go from left to right

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

This element has the lowest electron affinity

• magnesium

• sodium

• silicon

• sulfur

What element is the most electronegative

• chlorine

• bromine

• iodine

• astatine

Tags

NGSS.HS-PS1-1

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