Electronic Configuration
Full Name from Symbol
Group(s)
Ion Charges
Double Jeopardy
100

Lithium / Li

2,1

100

C

Carbon

100

Noble Gases

Group 0 / Group 18

100

Iron (II) / Fe

2+

100

Electronic Configuration of Calcium / Ca

2,8,8,2

200
Magnesium / Mg

2,8,2

200

Li

Lithium

200
Halogens

Group VII / Group 17

200

Sulfur / S

2-

200

Full name of Xe

Xenon

300

Bromine / Br

2,8,18,7

300

Na

Sodium

300

Groups in the s orbital

Group I + II / Group 1 + 2

300

Iodine / I

- / 1-

300

The orbital that contains the transition metals

d orbital

400

Iron / Fe

2,8,14,2

400

Cu

Copper

400

Pnictogens

Group V / Group 15

400

Silver / Ag

+ / 1+

400

Full name of Nd

Neodymium

500

Radon / Rn

2,8,18,32,18,8

500

Sn

Tin

500

Icosagens

Group III / Group 13

500

Gold / Au

3+

500

Ion Charge of Titanium / Ti

4+

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