Atoms
What is the charge of a proton?
Positive
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 the name of the two sides of a chemical reaction?
Reactants and Products
Which artist holds the current record for most monthly listeners on spotify?
Bruno Mars
Which two subatomic particles have the same mass?
Protons and neutrons
What is a compound?
A substance with 2 or more atoms chemically bonded together
What is the law of conservation of mass
Matter cant be created or destroyed
What is a balanced chemical reaction mean?
Same number of each atom on both sides of the reaction
Who won the AFL grand final in 2023?
Collingwood
Where are neutrons located in atoms?
Nucleus
Is water an element? Why?
Water is a compound - it is made up of 2H and 1O chemically bonded together
Name a type of chemical reaction
Endothermic, exothermic, combustion, decomposition, photosynthesis, oxidation
True or false: You can change the small subscripts when balancing a reaction.
False. Can only change the larger prefix
What year the did the first iPhone release?
2007
What is the atomic number of an atom?
Number of protons
Which 2 elements bond together to make table salt
Na - Sodium
Cl - Chloride
What are two indicators that a chemical reaction has occured.
Colour change, temperature change, forming of precipitate, light produced etc
What is the name of the law that requires chemical reactions to be balanced
Law of conservation of mass
What do you need to craft an Eye of Ender in Minecraft?
Ender pearls (from Endermen) and blaze powder (crafted from blaze rods)
An atom has 6 protons, 5 neutrons and 6 electrons. What is the mass of the atom?
11 amu
What element has the symbol K?
Potassium
Describe what an exothermic reaction is in terms of energy and temperature
Exothermic reactions release energy into the surroundings, typically as heat. This causes the temperature of the reaction to increase.
Is the following chemical equation balanced?
CaCO3 → CaO + CO2
Yes
What year did WWII end?
1945
Explain why atoms are electrically neutral using subatomic particles in your answer
Protons have a positive change and electrons have a negative charge but if there is the same number of each they cancel each other out, remaining neutral
Why are chemical equations written using an arrow instead of an equals sign
Shows the direction of the reaction and shows if the reaction is reversible
Provide an example of an endothermic reaction
Acetic acid and sodium bicarbonate
Balance the following equation:
Al + O2 → Al2O3
4Al + 3O2 → 2Al2O3
Who is the famous scientist that is known for the following quote: "Now I am become death, the destroyer of world"
J. Robert Oppenheimer (From an interview discussing his reaction when the first successful nuclear bomb test succeeded)