Alchemy to Atoms Flashcards
What are the tiny particles that all substances are made up of called?
All substances are made from tiny particles called atoms.
Finish this sentence:
An element is a substance made up of only one type of ………………….
Atom.
Where can information on the name, symbol and groups of all elements be found?
The Periodic Table
The chemical symbol for Oxygen is………….
O is the chemical symbol for oxygen.
Approximately, how many different elements exist?
Scientists know of around 118 different elements.
In terms of atoms, what is a compound?
A compound is made up of more than one type of atom, chemically joined together.
In terms of atoms, what is a mixture?
A mixture is made up of more than one type of atom, but they are not joined together.
Where are non-metals found in the Periodic Table?
Non-metals are found on the right-hand side of the periodic table (often a line like a staircase separates metals and non-metals).
What does the term unreactive mean?
Unreactive means it reacts very little.
What does malleable mean?
Malleable means something that can be beaten into shape.
What is the term given to describe metals that can be drawn into to wires.
Ductile describes metals that can be drawn into wires.
Are metals good heat conductors?
Yes
Can non-metals conduct heat?
No, apart from carbon.
What is group one of the period table called?
The Alkali Metals
What is group seven of the periodic table called?
The Halogens.
