Building Blocks

Question 1

Atom

Answer 1

Atoms are the basic building blocks of all materials

Question 2

Element

Answer 2

An element is a substance made up of only on type of atom.

Question 3

Did you know ?

Answer 3

Hydrogen I the most abundant element in the universe.

Question 4

Periodic Table

Answer 4

A periodic table shows all of the elements.

Question 5

Symbol

Answer 5

Each element has a symbol.

Question 6

Molecules

Answer 6

A molecule is formed when two or more atoms join together chemically.

Question 7

Compounds

Answer 7

When a molecule is made up of two or more different types of elements chemically combined, we call it a compound.
All compounds are non elements.

Question 8

Structure of the atom.

Answer 8

The atom is made up of smaller particles called subatomic particles.
Protons
Neutrons
Electrons

Question 9

Atomic and mass numbers

Answer 9

The atomic number tells you how many protons
(which is the same as the number of electrons)
there are in one atom of the element.