Chemistry I Fall 2026

Main Group Metals

Transition Metals

Nonmetals

Metalloids

Hydrogen

H 1

diatomic (H2)

Helium

He 2

Lithium

Group 1 - Li (Li+) 3

Beryllium

Group 2 - Be (Be+2) 4

Boron

B 5

Carbon

C 6

Nitrogen

N (N-3) 7

Diatomic (N2)

Oxygen

O (O-2) 8

Diatomic (O2)

Fluorine

F (F-1) 9

Diatomic (F2)

Neon

Ne 10

Sodium

Group 1 - Na (Na+) 11

Magnesium

Group 2 - Mg (Mg+2) 12

Aluminum

Group 3 - Al (Al+3) 13

Silicon

Si 14

Phosphorus

P (P-3) 15

Found naturally as P4

Sulfur

S (S-2) 16

Found naturally as S8

Chlorine

Cl (Cl-1) 17

Diatomic (Cl2)

Argon

Ar 18

Potassium

Group 1 - K (K+) 19

Calcium

Group 2 - Ca (Ca+2) 20

Scandium

Transition metal - Sc (Sc+3) 21

Titanium

Ti 22

Vanadium

V 23

Chromium

Cr (Cr+2, Cr+3) 24

Manganese

Mn 25

Iron

Fe (Fe+2, Fe+3) 26

Cobalt

Co (Co+2, Co+3) 27

Nickel

Ni 28

Copper

Cu (Cu+, Cu+2) 29

Zinc

Transition metal - Zn (Zn+2) 30

Gallium

Ga 31

Germanium

Ge 32

Arsenic

As 33

Selenium

Se (Se-2) 34

Bromine

Br (Br-1) 35

Diatomic (Br2)

Krypton

Kr 36

Rubidium

Group 1 - Rb (Rb+) 37

Strontium

Group 2 - Sr (Sr+2) 38

Silver

Transition metal - Ag (Ag+) 47

Tin

Sn (Sn+2, Sn+4) 50

Iodine

I (I-1) 53

Diatomic (I2)

Xenon

Xe 54

Cesium

Group 1 - Cs (Cs+) 55

Barium

Group 2 - Ba (Ba+2) 56

Mercury

Hg (Hg2 +2 (I), Hg+2 (II)) 80

Lead

Pb (Pb+2, Pb+4) 82

Radon

Rn 86

Ammonium

NH4+

Acetate

CH3COO-

Hydroxide

OH-

Nitrate

NO3-

Nitrite

NO2-

Permanganate

MnO4-

Dichromate

Cr2O7 2-

Carbonate

CO3 2-

Bicarbonate

HCO3-

Phosphate

PO4 3-

Chlorate

ClO3-

Perchlorate

ClO4-

Sulfate

SO4 2-

Sulfite

SO3 2-