Atoms
What are the three components that make up atoms?
Protons, Neutrons, Electrons
What is an element?
A substance made up of only one type of atom
What side of the reaction will I find the reactants?
Left side
What is an acid?
A substance that releases H+ ions
What type of fish was Nemo?
Clownfish
What is the charge of protons, neutrons and electrons
Proton = positive
Electron = negative
Neutron = neutral
What is a compound?
A substance with 2 or more atoms chemically bonded together
Law of Conservation of Mass states that the total starting mass must equal the total resulting mass
Give an example of both an acid and a base
Acid: Citrus, milk, Hydrochloric acid
Base: Dishwashing liquid, bleach, baking soda
Who is the current record holder for most total Olympic medals by a single athlete?
Michael Phelps (USA)
Explain how elements are made of the same type of subatomic particles, but are different.
Teacher discretion.
Is water an element or a compound? Why?
Water is a compound - it is made up of 2H and 1O chemically bonded together
If I react Carbon with Oxygen Gas, what do I produce?
Carbon Dioxide (CO2)
What is produced when mixing an acid with a base?
Acid + base = salt + water
What is the most common letter used in the English alphabet?
E
What sub-atomic particles make up the nucleus?
Protons and neutrons
Which 2 elements bond together to make salt
Na - Sodium
Cl - Chloride
When writing chemical formulas, what does the subscript number mean? For example, H2O
It tells us how many atoms of that element are present
What is it called when you make water in a reaction?
Neutralisation reaction
What is the only fruit with seeds on the outside?
Strawberry
What 2 subatomic particles have the same mass?
Protons and neutrons
What element has the symbol K?
Potassium
What two elements make up Copper Sulphide?
Copper + Sulfur
What does pH measure? Give an example of a substance with a pH of less than 7
What is the name of SpongeBob's boss?
Mr Krab
Lucky Dip:
Who won Australia's 4th gold medal at the Paris 2024 Olympics?
Jess Fox in the K1 Kayaking!
What is the lightest chemical?
Hydrogen
What is the correct reaction?
a. Hydrogen + Oxygen --> Water
b. Hydrogen --> Oxygen + Water
c. Water --> Hydrogen + water
a. Hydrogen + Oxygen --> Water
What is the pH of water?
7
Charlotte Casslick