C1 - states of matter (Particles, arrangement, melting points, diffusion)

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Total cards: 24•Content version: v4•Public deck•Updated: 8/1/2026

Card preview (24)

Front (Question)

define an Atom

Back (Answer)

The smallest particle that cannot be further broken down.

Front (Question)

describe the structure of an atom

Back (Answer)

Central nucleus containing protons and neutrons, ‘shells’ of electrons

Front (Question)

the relative charge and mass of protons

Back (Answer)

Relative charge = +1 Relative mass = 1

Front (Question)

the relative charge and mass of neutrons

Back (Answer)

Relative charge = 0 Relative mass = 1

Front (Question)

the relative charge and mass of electrons

Back (Answer)

Relative charge = -1 Relative mass = 1/ 2000

Front (Question)

what affects an element’s chemical properties

Back (Answer)

number of electrons in the outer shell

Front (Question)

Define an isotope

Back (Answer)

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

Front (Question)

define a molecule

Back (Answer)

particles made of 2 or more atoms covalently bonded together (can be same or diff. type of atoms)

Front (Question)

define a compound

Back (Answer)

2 or more diff. types of atoms chemically bonded together

#10

Front (Question)

define a mixture

Back (Answer)

2 or more elements / compounds mixed together that can be separated by physical means

#11

Front (Question)

define an element

Back (Answer)

same type of atoms

#12

Front (Question)

define an ion

Back (Answer)

a charged particle

#13

Front (Question)

Describe the arrangement of particles in a solid

Back (Answer)

Particles vibrate in fixed positions in a regular structure (lattice)- held together by strong intermolecular forces of attraction

#14

Front (Question)

Describe the arrangement of particles in a liquid

Back (Answer)

Particles move around and slide past each other and collide often.- They are close together but not in a lattice. The intermolecular forces that hold them are weaker than that of a solid.

#15

Front (Question)

Describe the arrangement of particles in a gas

Back (Answer)

Particles move freely and randomly in all directions, collide less often than liquids- and has intermolecular forces weaker than that of a liquid holding them together.

#16

Front (Question)

Is the state rigid a) Solid b) Liquid c) Gas

Back (Answer)

a) yes b) no c) no

#17

Front (Question)

Is the state able to be compressed a) Solid b) Liquid c) Gas

Back (Answer)

a) no b) no c) yes

#18

Front (Question)

Does the state have a fixed shape a) Solid b) Liquid c) Gas

Back (Answer)

a) yes b) no c) no

#19

Front (Question)

Does the state have a fixed volume a) Solid b) Liquid c) Gas

Back (Answer)

a) yes b) yes c) no

#20

Front (Question)

Can the state flow a) Solid b) Liquid c) Gas

Back (Answer)

a) no b) yes c) yes

#21

Front (Question)

define aqueous

Back (Answer)

dissolved in solution

#22

Front (Question)

define molten

Back (Answer)

melted

#23

Front (Question)

what are the symbols for the states in a word equation a) Solid b) Liquid c) Gas d) aqueous

Back (Answer)

a) (s) b) (l) c) (g) d) (aq)

#24

Front (Question)

note: always draw number line for change of state

Back (Answer)