1.1 particle theory and bonding

Question 1

Element

Answer 1

A substance that cannot be chemically broken down into a simpler substance

Question 2

Compound

Answer 2

A substance containing two or more elements chemically bonded together

Question 3

Molecule

Answer 3

A group of atoms covalently bonded together

Question 4

Atom

Answer 4

The smallest particle an element can be divided into and still be the same substance

Question 5

Kinetic Particle Theory (Particle Theory)

Answer 5

The theory of how particles (such as atoms and molecules) move in relation to each other and the amount of energy within the system

Question 6

Water Vapour

Answer 6

Gaseous phase/ state of water; produced when liquid water evaporates or boils

Question 7

Proton

Answer 7

A positively charged subatomic particle contained within the nucleus of an atom

Question 8

Neutrons

Answer 8

A neutral subatomic particle contained within the nucleus of an atom

Question 9

Electron

Answer 9

A negatively charged subatomic particle that orbits the nucleus of an atom

Question 10

Nucleus

Answer 10

The positively charged central core of an atom that is made of protons and neutrons

Question 11

Shells

Answer 11

Each of a set of orbitals around the nucleus of an atom that can be occupied by electrons

Question 12

Atomic Number

Answer 12

The number of protons contained in the nucleus of an atom

Question 13

Bond

Answer 13

A strong force of attraction holding atoms together in a substance

Question 14

Emergent Properties

Answer 14

Characteristics that are present within a compound or molecule of two or more different elements that those elements do not possess on their own

Question 15

Covalent Bond

Answer 15

Chemical bond that involves the sharing of electron pairs between atoms

Question 16

Ionic Bond

Answer 16

Chemical bond that involves the attraction between two oppositely charged ions

Question 17

Hydrogen Bond

Answer 17

A weak bond between two molecules due to the electrostatic attraction between a hydrogen atom in one molecule and an atom of oxygen, nitrogen, or fluorine in the other molecule

Question 18

Ion

Answer 18

An atom or molecule that has lost or gained one or more electrons creating an electrical charge

Question 19

Polar

Answer 19

When opposite side of a molecule have contrasting (partial) electrical charges

Question 20

Solvent

Answer 20

A substance which is able to dissolve other substances

Question 21

Density

Answer 21

A measure of the mass of a defined volume of water

Question 22

Specific Heat Capacity

Answer 22

The heat required to raise the temperature of the unit mass of a given substance by one degree Celsius