Expressed in direction and magnitude
What is a vector?
The time it takes for half a radioactive sample to decay
What is half-life?
The columns on a periodic table
What are groups?
A sub-atomic particle with a positive charge
What is a proton?
On the left of a chemical equation
What are reactants?
Also known as the law of Interia
What is Newton's First Law?
The three types of radioactive decay
What are alpha, beta and gamma?
The rows on a periodic table
What are periods?
Found in the nucleus of an atom
What are protons and neutrons?
A reaction that absorbs heat
What is an endothermic reaction?
The equation for average speed
What is distance/time?
The type of radiation with HIGH penetration and LOW ionisation ability
What is gamma radiation?
The atomic number
What represents the number of protons in an atoms nucleus? OR How is the periodic table arranged?
Atoms with a positive charge
What are cations?
Effects the reaction rate of solids
What is surface area?
The equation for Newton's Second Law
What is F=ma? (Force = mass x acceleration)
A radioactive element commonly used in nuclear reactors
What is uranium?
What are alkali metals?
The number of electrons that can occupy the 2nd shell
What is 8?
Required to start a reaction such as Elephant Toothpaste
What is a catalyst?
The SI unit for acceleration
What is m/s2 or ms-2?
The particle emitted in alpha decay
What is a helium atom?
Elements that do not react with anything
What are the noble gases?
Atoms with different mass numbers
What are isotopes?
Law that tells us that atoms cannot be created or destroyed
What is conservation of matter?