Atoms(Elements, Mixtures and Compounds)

Question 1

Elements…

Answer 1

Made up of only one type of atom. There are about 100 elements all shown on the periodic table eg. Helium = He

Question 2

Mixtures…

Answer 2

Different types of atoms of compounds together but not chemically bonded

Question 3

Compounds…

Answer 3

Made up of more than one type of atom which are chemically bonded together

Question 4

Things found in an atom…

Answer 4

Nucleus, electrons, protons, neutrons.

Question 5

Atom…

Answer 5

The smallest particle of an element that can exist on its own

Question 6

Nucleus…

Answer 6

The centre of an atom, where most of an atom’s mass is concentrated

Question 7

Electrons…

Answer 7

A subatomic particle with a negative electric charge which orbits the nucleus

Question 8

Protons…

Answer 8

The subatomic particle with a positive electric charge found in the nucleus

Question 9

Neutrons…

Answer 9

A subatomic particle with no electrical charge found in the nucleus

Question 10

Naming compounds…

Answer 10

Add -ide to the end of the non-metal

Eg. Magnesium and oxygen= magnesium oxide