Electron Configuration Notation Review

Full Electron Configuration

100

B- Boron

1s²2s²2p¹

200

H- Hydrogen

1s¹

300

Na- Sodium

1s²2s²2p⁶3s¹

400

Al- Aluminum

1s²2s²2p⁶3s²3p¹

500

Sn- Tin

1s²2s²2p⁶3s²3p⁶4s²3d¹⁰4p⁶5s²4d¹⁰5p²

Noble Gas Electron Configuration

100

Cl- Chlorine

(Ne)3s²3p⁵

200

Se- Selenium

(Ar)4s²3d¹⁰4p⁴

300

Rb- Rubidium

(Kr)5s¹

400

Y- Yttrium

(Kr)5s²4d¹

500

Tl- Thallium

(Xe) 6s²4f¹⁴5d¹⁰6p¹

Which element is this?

100

4p⁵

Br- Bromine

200

6p⁶

Rn- Radon

300

4s¹

K- Potassium

400

3d⁶

Fe- Iron

500

5f⁷

Am- Americium

Which block?

100

As- Arsenic

p

200

Pb- lead

p

300

Os- Osmium

d

400

Cs- Cesium

s

500

Eu- Europium

f

Valence electrons

100

I- Iodine

7

200

Na- Sodium

1

300

Xe- Xenon

8

400

Ba- Barium

2

500

Bi- Bismuth

5