Chemistry GCSE Mocs

Particle model, Chemical or physical change, Atomic structure, Discovery of atomic structure, Isotopes and ions, Metals and Non-metals, Periodic table

Solid Characteristics

Cant move, Touching, Vibrate, No space between, Fixed volume, Fixed shape ,Large force between

Liquid Characteristics

Can move, Touching, No space between, fixed volume, no fixed shape, Weak force between

Gas Characteristics

Moving quickly, Not touching, far apart, no fixed volume, no fixed shape, weak force between

The particle model doesn’t take into account of…

Forces between, 3D aspect, The size, The space between

Solid to Gas

Sublimation

Gas to solid

Deposition

Solid to liquid

Melting

Liquid to gas

Evaporation

Gas to liquid

Condensation

Liquid to solid

Freezing

Chemical change

A change that produces a new substance

Physical change

A change that is reversible

An atom is made up of …

Electrons, Neutrons and protons

What did the Ancient Greeks propose out about the atomic structure

Everything was made up of an atom which is the building blocks of everything

What did Dalton propose

Each element has its own type of atom and atoms are just spheres.

What did J.J Thompan propose

The plum pudding model and negatively charged electrons.

Who did the Gold Foil Experiment

Rutherford, Gieger, Marsden

What is a Isotope

Different forms of the same element that have the same number of protons but a different number of neutrons

What is a Ion

An atom that has gained or lost electrons to become negatively or positively charges

What is A

Atomic Number

What is B

Element Symbol

What is C

Atomic Mass

What is the atomic number

The number of protons in an atom

What is the atomic mass

The number of protons and neutrons in an atom

What is a Cation

A atom with a positive charge

Typical properties of Non-metals

Any state at room temp, not shiny, don’t conduct electricity, Don’t Conduct heat, brittle, not ductile

Typical properties of metals

Solid at room temp, shiny if polished, conduct electricity, conduct heat, malleable, ductile

Metal oxides are Acidic/Alkaline - select one

Alkaline

Non-metal oxides are Acidic/Alkaline - select one

Acidic

What is Ionic bonding (Exam Question)

Strong electrostatic forces cause electrons to transfer from a metal to a non-metal

What are covalent bonds

Where atoms share their outer shell electrons to achieve a full shell

What bond is this

Covalent bond

What bond is this

Ionic bond

What element is H

Hydrogen

What element is Li

Lithium

What element is Be

Beryllium

What element is Na

Sodium

What element is Mg

Magnesium

What element is K

Potassium

What element is Ca

Calcium

What element is Sc

Scandium

What element is Rb

Rubidium

What element is Sr

Strontium

What element is Y

Yttrium

What element is Cs

Caesium

What element is Ba

Barium

What element is La

Lanthanum

What element is Fr

Fransium

What element is Ra

Radium

What element is Ac

Actinium

What are allotropes

different forms of the same element and same state but different atomic arrangements