Metal, Non-metal, metalloid?
Name families/periods
Atomic Radius
Ionization Energy
Electronegativity
100

Sr

Metal

100

Family 18

Noble Gases

100

Going up a family Atomic Radius _______________. (increase or decrease)

Decreases

100

IE increases while you go _________ (up/down) a family.

up

100

What does electronegativity mean?

When sharing electrons, the elements tendency to pull the electrons closer to it.

200

He

Nonmetal

200

Family 1

Alkali Metals

200

Going from right to left of a period Atomic Radius _______________. (increases or decreases)

increases

200

Going from left to right of a period, IE is going to _____________. (increase/decrease)

increase

200

What is the element with the highest electronegativity?

F

300

As

Metalloid

300

Family 17

Halogens

300

In period 2, do the metals, metalloids, or the non-metals have bigger atomic radii?

metals

300

Which of the following will have a higher IE?


Cs or Fr

Cs

300

Which of the following has a higher electronegativity?

Ar or Cl

Cl

400

Se

Nonmetal

400

Family 2

Alkali Earth Metals

400

Which is SMALLER?


Na or S

S

400

Which of the following will have a lower IE?


Se or As

As

400

Which of the following would have the highest electronegativity?

C or O

O

500

Tm

Metal

500

Period 6

Lanthanides

500

Which of the following is bigger?


O or Ra

Ra

500

Explain why Fluorine has a higher IE than Lithium.

F is closer to a full octet and will hold on to their outermost electrons stronger than Lithium who is farther away.

500

Which of the following has the Lower electronegativity value?

He or F

He

M
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