The Periodic Table

1

100

What is this element - H

Hydrogen

200

What is this element - Sn

Tin

300

How many protons does each atom of Hydrogen have?

1

400

How are elements arranged on the periodic table?

Elements with similar characteristics are placed together

In order of atomic number

500

What is the formula of Tricalcium dinitride

Ca₃N₂

2

100

What is this element - N

Nitrogen

200

What is this element - Hg

Mercury

300

What are isotopes?

Atoms of the same element that have a different number of neutrons 

400

In a neutral cell, is the number of electrons equal to protons or neutrons?

Protons

500

What is the formula of Calcium dihydroxide

CaO₂H₂ / Ca(OH)₂

3

100

What is this element - C

Carbon

200

What is this element - Pb

Lead

300

What is the atomic number of an element?

The number of protons in the nucleus

400

What is the atomic mass of an element?

Average mass of the isotopes

500

What is the formula of Iron trihydroxide

FeH₃O₃ / Fe(OH)₃

4

100

What is this element - O

Oxygen

200

What is this element - Au

Gold

300

How are elements shown on the periodic table?

1 or 2 letters, first letter is always upper case (E.g. Helium - He)

400

How many elements are there?

118

500

What is the formula of Aluminium phosphide

AlP

5

100

What is this element - F

Fluorine

200

What is this element - Fe

Iron

300

How many rows and columns are there on the periodic table?

And what are their names?

7 rows (called periods) and 18 columns (called groups)

400

What is the name of group 18 on the periodic table?

Noble Gases

500

What is the formula of Iodine heptachloride

ICl₇