Atoms
Atoms are made up of three subatomic particles. What are they?
Protons, Neutrons, Electrons
How many ghosts chase Pac-Man at the start of each game?
Four
What is the electron configuration for Lithium?
2, 1
What is the composition of an ionic compound?
Metal element with a non-metal element.
What is the method for working out the mean of a set of results?
mean = sum/count
Who is the most streamed artist on Spotify?
Taylor Swift
What does the atomic number tell us?
The number of protons in the atom of the element.
What is the electron configuration for Oxygen?
2, 6
What is the name of this ionic compound, NaCl?
Sodium Chloride
How are the elements in the periodic table ordered?
According to atomic number.
What structure is located at the centre of the atom?
Nucleus
What does the mass number tell us?
The number of protons and neutrons in the atom of an element.
What is the electron configuration for Magnesium?
2, 8, 2
True or False?
Solid ionic compounds do not conduct electricity, but dissolved ionic compounds do.
True
Finish this equation:
Ca 2+ + Cl 1- yields
CaCl2
What is the most streamed song on Spotify?
Blinding Lights
What does the group number tell us for the elements in groups 1, 2, 13 - 18?
The number of valence electrons
Who was the first Disney Princess?
Snow White
Potassium and hydrochloride acid react to form Hydrogen gas and ?
KCl (Potassium Chloride)
Balance this equation:
N2 + H2 yields NH3
N2 + 3H2 yields 2NH3
What part of the atom contains energy levels?
Electron shells
How are the number of electrons calculated in an atom? or what is the height of a netball hoop.
Electrons are equal to the number of protons or the Atomic number.
3.05m
What is collision theory, explain using the Kitty/ Phoenix ?
chemical reaction can only occur between particles (K&P) when they collide (hit each other), facing the right way and with enough energy
What is the name of this ionic compound, Fe2O3
Iron (III) oxide
Name 2 ways to increase the rate of a reaction
Increasing temp, concentration or surface area.