C1.1 Atoms Flashcards
What is an atom?
A small number of substances made up of only 1 type of atom.
How many atoms are naturally found on earth
About 100 CHECK NOT SURE
Is argon a metal or non metal
Non metal
What is group 1 on the periodic table called?
The alkali metals
What is group 2 on the periodic table called?
Alkaline Earth metals
What are the metals in the centre called?
Transition metals
Where does the stairway effect occur splitting metals and non metals
Non metals Second from top in group 3
Third from top in group 4 ect
What is group 7 called?
The halogens
What is group 0 called?
The noble gasses
Why are elements arranged into groups?
Each group contains elements with similar properties.
What do chemical bonds do?
They hold atoms tightly together in compounds.