Term 2 Synoptic Exam - Periodic Table Flashcards
What is an element?
A pure substance that cannot be broken down.
What is a compound?
A compound is a pure substance that is made from more than one element.
How is a mixture formed?
A mixture is formed when two or more elements or compounds are present without being chemically bonded together.
Whereabouts on the periodic table are the non-metals found?
To the right.
Which technique is most likely to be used to separate the elements which are bonded together in a compound?
Thermal decomposition.
What is a Group?
Vertical columns on the Periodic Table.
What is a Period?
Horizontal rows on the periodic table.
What is an Atom?
The smallest piece of an element.
What is a Chemical Reaction?
A process in which one or more substances are changed into others.
What is a Physical Reaction?
A process in which the physical properties are changed, but no new substances are made.
What is a Reactant?
A substance that reacts together with another substance.
What is a product?
A substance formed in a chemical reaction.
What is the Conservation of
Mass?
The total mass of the products in a chemical reaction will be the same as the total mass of the reactant.
Spare Card.
Keep going, you are almost there! :) (I know im going to get this card 1st)
