Vocabulary

Question 0

Atomic Number

Answer 0

The number of proton in the nucleus of an atom. Aka Proton Number

Question 1

Halogen

Answer 1

An element in group 7 of the periodic table

Question 2

Atom

Answer 2

The smallest neutral part of an element that can take part in chemical reactions

Question 3

Ion

Answer 3

An atom of a group of atoms with an electrical charge

Question 4

Isotope

Answer 4

Atoms of an element with same number of protons and electrons but a different number of neutrons

Question 5

Compound

Answer 5

A ‘thing’ that is composed of two or more separate elements

Question 6

Mixture

Answer 6

Is made from different substances that aren’t chemically joined

Question 7

Neutron

Answer 7

Electrically neutral sum atomic particle found in the nucleus of most atoms

Question 8

Noble Gases

Answer 8

Elements in group 0/8 of the periodic table

Question 9

Group

Answer 9

The vertical part of the periodic table

Question 10

Period

Answer 10

The horizontal part of the periodic table

Question 11

Electronic configuration

Answer 11

The arrangement of electrons in shells around the nucleus of an atom

Question 12

Shells/orbitals

Answer 12

Space around a nucleus that can be occupied by electrons

Question 13

Energy Level

Answer 13

Space around a nucleus that can be occupied by electrons

Question 14

Relative Atomic Mass

Answer 14

The mean mass of an atom of carbon-12, which is assigned mass 12

Question 15

Relative Abundance

Answer 15

The number of objects of a particular kind in a sample shown as a percentage of a total number of objects in the sample

Question 16

Alkali Metal

Answer 16

An element in group 1 of the periodic table

Question 17

Halide

Answer 17

A compound formed between a halogen and another element, such as metal or hydrogen

Question 18

Interpolation

Answer 18

Estimating the value of a new data point on a scatter graph between the values already known

Question 19

Inert

Answer 19

Does not react

Question 20

Density

Answer 20

Mass (divided by) Volume

Question 21

Electrolysis

Answer 21

The decomposition of a liquid using electricity

Question 22

Electrolyte

Answer 22

A liquid which conducts electricity

Question 23

Anode

Answer 23

The positive electrode

Question 24

Cathode

Answer 24

The negative electrode

Question 25

Anions

Answer 25

Negative ions

Attracted to the anode (the positive electrode)

Question 26

Cations

Answer 26

Positive ions

Attracted to the cathode ( the negative electrode)