36 Elements

2

Helium (He) - Atomic number: 2, Atomic weight: 4.002602 amu (~ 4 amu), Period: 1, Group: 18 Key information: Helium is a noble gas and has the lowest boiling point out of all elements. Second most abundant element in the universe after Hydrogen.

36

Krypton (Kr) - Atomic number: 36, Atomic weight: 83.798, Period: 4, Group: 18 Key information: Is colourless, odourless, tasteless, and monatomic. It is also plentiful in the earth's atmosphere.

30

Zinc (Zn) - Atomic number: 30, Atomic weight: 65.38, Period: 4, Group: 12 Key information: Zinc is essential to life and is one of the most widely used metals.

33

Arsenic (As) - Atomic number: 33, Atomic weight: 74.992, Period: 4, Group: 15 Key information: Is a chemical element in the nitrogen group, it exists in both gray and yellow crystalline forms.

4

Beryllium (Be) - Atomic number: 4, Atomic weight: 9.0122 amu (~ 9 amu), Period: 2, Group: 2 Key information: Beryllium is a very rare grey alkaline earth metal. It is a highly toxic element that is used to build missiles and aircrafts.

17

Chlorine (Cl) - Atomic number: 17, Atomic weight: 35.453, Period: 3, Group: 17 Key information: Is a toxic - greenish gas.

24

Chromium (Cr) - Atomic number: 24, Atomic weight: 51.996, Period: 4, Group: 6 Key information: It is a hard, steel-gray metal.

27

Cobalt (Co) - Atomic number: 27, Atomic weight: 58.933, Period: 4, Group: 9 Key information: It is found in the Earth's crust only.

9

Fluorine (F) - Atomic number: 9, Atomic weight: 18.998 amu (~ 19 amu), Period: 2, Group: 17 Key information: Fluorine is a light halogen. It is an extremely reactive pale yellowish gas.

32

Germanium (Ge) - Atomic number: 32, Atomic weight: 72.631, Period: 4, Group: 14 Key information: Is a silvery-gray metalloid, intermediate in properties between the metals and the nonmetals.

12

Magnesium (Mg) - Atomic number: 12, Atomic weight: 24.304 amu (~ 24 amu), Period: 3, Group: 2 Key information: Magnesium is the lightest structural metal and is widely used in medicine.

15

Phosphorus (P) - Atomic number: 165, Atomic weight: 30.97376 amu (~31 amu), Period: 3, Group: 15 Key information: It is very reactive and is not found as free form on earth. Phosphorus is a waxy solid that glows in the dark at night at room temperature.

19

Potassium (K) - Atomic number: 19, Atomic weight: 39.098, Period: 4, Group: 1 Key information: It is the alkaline metal group, and is indispensable for both plant and animal life.

21

Scandium (Sc) - Atomic number: 21, Atomic weight: 44.956, Period: 4, Group: 3 Key information: Scandium is a silvery white, moderately soft metal.

14

Silicon (Si) - Atomic number: 14, Atomic weight: 28.084 amu (~ 28 amu), Period: 3, Group: 14 Key information: Silicon is a solid metal and a semiconductor. It makes up about 28% of Earth's crust.

8

Oxygen (O) - Atomic number: 8, Atomic weight: 15.999 amu (~ 16 amu), Period: 2, Group: 16 Key information: Oxygen is a highly reactive nonmetal and is the third most abundant element in the universe. It is essential to most living beings, animals convert it to carbon dioxide and plants utilize carbon dioxide to return oxygen to the atmosphere.

11

Sodium (Na) - Atomic number: 11, Atomic weight: 22.989 amu (~ 23 amu), Period: 3, Group: 1 Key information: Highly reactive white alkaline metals that exist in numerous minerals.

13

Alumunimium (Al) - Atomic number: 13, Atomic weight: 26.981 amu (~ 27 amu), Period: 3, Group: 13 Key information: Aluminium is a highly reactive non-magnetic metal that is very abundant in the Earth's crust.

18

Argon (Ar) - Atomic number: 18, Atomic weight: 30.948, Period: 3, Group: 18 Key information: It is the most abundant and industrially the most frequently used of the noble gases. It is colourless, odourless, and tasteless.

5

Boron (B) - Atomic number: 5, Atomic weight: 10.81 amu (~ 11 amu), Period: 2, Group: 13 Key information: Boron is usually found in small amounts on meteoroids, It's a product of cosmic ray spallation.

35

Bromine (Br) - Atomic number: 35, Atomic weight: 79.904, Period: 4, Group: 17 Key information: It is the only nonmetallic element that is liquid at ordinary temperatures. It is a deep red noxious liquid.

20

Calcium (Ca) - Atomic number: 20, Atomic weight: 40.078, Period: 4, Group: 2 Key information: It is the most abundant metallic element in the human body and the fifth most abundant element in Earth's crust.

6

Carbon (C) - Atomic number: 6, Atomic weight: 12.011 amu (~ 12 amu), Period: 2, Group: 14 Key information: Carbon is the second most common element in the human body but only makes up about 0.025% of the Earth's crust. It can form more compounds than any other element.

29

Copper (Cu) - Atomic number: 29: Atomic weight: 63.546, Period: 4, Group: 11 Key information: It is a reddish, extremely ductile metal. Copper is found in the free metallic state in nature.

31

Gallium (Ga) - Atomic number: 31, Atomic weight: 69.723, Period: 4, Group: 13 Key information: It is a soft, silvery-white metal, similar to aluminium. It is a useful silicon substitute for the electronics industry.

26

Iron (Fe) - Atomic number: 26, Atomic weight: 55.845, Period: 4, Group: 8 Key information: Iron makes up 5 percent of Earth's crust and is second in abundance to aluminum among the metals and fourth in abundance behind oxygen, silicon, and aluminum among the elements.

1

Hydrogen (H) - Atomic number: 1, Atomic weight: 1.00794 amu (~ 1 amu), Period: 1, Group: 1 Key information: Hydrogen is the lightest element in the periodic table, it's the most common element in the universe as its a colourless gas.

3

Lithium (Li) - Atomic number: 3, Atomic weight: 6.941 amu (~ 7 amu), Period: 2, Group: 1 Key information: Lithium is a silvery alkali metal and is highly reactive and flammable.

25

Manganese (Mn) - Atomic number: 25, Atomic weight: 54.938, Period: 4, Group: 7 Key information: Is a hard, brittle, silvery metal.

34

Selenium (Se) - Atomic number: 34, Atomic weight: 78.971, Period: 4, Group: 16 Key information: Is a a chemical element in the oxygen group.

10

Neon (Ne) - Atomic number: 10, Atomic weight: 20.180 amu (~ 20 amu), Period: 2, Group: 18 Key information: Neon is a light and tasteless gas, used in electric/fluorescent signs.

28

Nickel (Ni) - Atomic number: 28, Atomic weight: 58.693, Period: 4, Group: 18 Key information: It is silvery white, tough, and harder than iron, nickel is widely familiar because of its use in coinage.

7

Nitrogen (N) - Atomic number: 7, Atomic weight: 14.007 amu (~ 14 amu), Period: 2, Group: 15 Key information: Nitrogen is a colourless and odourless gas and is an essential part of all living matter.

16

Sulfur (S) - Atomic number: 16, Atomic weight: 32.06, Period: 3, Group: 16 Key information: Sulfur is an essential element for life. It's found in amino acids (cysteine and methionine) and proteins.

22

Titanium (Ti) - Atomic number: 22, Atomic weight: 47.88, Period: 4, Group: 4 Key information: Titanium is a lightweight, high-strength, low-corrosion structural metal.

23

Vanadium (V) - Atomic number: 23, Atomic weight: 50.942. Period: 4, Group: 5 Key information: It is a silvery white soft metal.