Periodic Table
What type of element is on the left hand side of the periodic table?
Metals
Where can I find matter?
Everywhere
What are the 3 states of matter?
Solid, liquid, gas
Rolling out dough into a circle is a ....
Physical change
What is the name for the substances you start a reaction with?
Reactants
Each element on the periodic table is represented by a ...
Symbol
What can you add to increase the energy in matter?
Heat / energy
What is the process called when a gas turns into a liquid?
Condensation
Baking a cake is a ...
chemical change
What is the name for the substances you end up with after a reaction?
Products
What type of elements go down the staircase on the periodic table?
Semi-metals or metalloids
Define matter
Matter is anything that has mass and takes up space
Which state has the fastest moving particles?
Gas
Do chemical changes form new substances?
Name 2 compounds
Water, table salt, sugar, carbon dioxide
What is the name given to the most unreactive group on the periodic table?
Noble gases
What is a molecule?
Two or more atoms bonded together
Which states of matter can be compressed?
Liquid and gas
What is one sign a chemical reaction has occurred?
Colour change, smell, new substance produced, light given off, heat given off
What elements are combined to make carbon dioxide?
The atomic number is the same as ...
The number of protons and electrons
What is the particle theory?
All matter is made up of tiny particles called atoms that are constantly moving.
What is the process called when a solid changes directly into a gas?
Sublimation
What is the difference between a physical and a chemical change?
A physical change does not create a new substance while a chemical change does.
What symbol means reacts to form in an equation?
The arrow