Atoms, ions, bonding

Question 1

Atom

Answer 1

The fundamental building block of all matter

Question 2

Atomic number

Answer 2

The number of protons in the nucleus of an atom

Question 3

Atomic Symbol

Answer 3

Chemical symbol, atomic number and mass number

Question 4

Compound

Answer 4

A pure substance that is made up of 2 or more different types of atoms

Question 5

Element

Answer 5

A substance with 1 type of atom

Question 6

Electron

Answer 6

Small, negatively charged particle

Question 7

Electron Cloud

Answer 7

Region of negative charge surrounding the nucleus

Question 8

Formula

Answer 8

Chemical equation in symbols

Question 9

Isotope

Answer 9

Two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nucleus

Question 10

Mass Number

Answer 10

The number of protons and neutrons in an atom

Question 11

Neutral

Answer 11

Having no charge at all

Question 12

Nucleus

Answer 12

Cluster of protons and neutrons in the centre of an atom

Question 13

Proton

Answer 13

Positively charged particle

Question 14

Neutron

Answer 14

Particle with no charge

Question 15

Ion

Answer 15

An atom that has gained or lost an electron

Question 16

Anion

Answer 16

An ion that has more electrons than protons and is negatively charged

Question 17

Cation

Answer 17

An ion with less electrons than protons and is positivly charged

Question 18

Polyatomic ion

Answer 18

Containing more than 1 atom

Question 19

Ionic bond

Answer 19

Bond with a metal atom and a nonmetal atom

Question 20

Covalent bond

Answer 20

Bond between nonmetals

Question 21

Metals

Answer 21

Shiny, strong, malleable, ductile, conductors of heat and electricity

Question 22

Nonmetals

Answer 22

Dull, Brittle, Not Ductile, Poor Conductors of heat and electricity

Question 23

Metalloids

Answer 23

Characteristics of both