Chemistry Brain Break (Re-Match)

Symbols

100

Na

sodium

200

Ne

Neon

300

Li

lithium

400

Be

berylium

500

ag

silver

Ions

100

Hydrogen

H⁺

200

Calcium

Ca²⁺

300

Oxygen

O^2-

400

Chlorine

Cl^-

500

Cesium

Cs⁺

Subshells

100

What dictates the order in which electron subshells are filled?

Energy level

200

Which subshell is filled before 3d?

4s

300

What is electron configuration of the outer shell of Helium

1s²

400

What is the final subshell filled in an Iron atom?

3d (3d⁵)

500

What is the subshell configuration of the final two electron subshells of a chromium atom?

3d⁵ 4s¹

Elements

100

Carbon

C

200

Magnesium

Mg

300

Tungsten

W

400

Lead

Ar

500

Mercury

Mercury

Vocabulary

100

A positive ion

Cation

200

An element with more or fewer neutrons than normal

Isotope

300

A row of the periodic table

Period

400

Group 1 elements

Alkali metals

500

Group 7 elements

Halogens