138: Simple Chemical Formulas (Higher) Flashcards
1
Q
What is the quickest way of writing down an element?
A
A Chemical Symbol.
2
Q
Sodium Chloride:
1 sodium atom for every 1 _________ atom.
A
Chlorine.
3
Q
Water:
2 _______ atoms for every 1 oxygen atom.
A
Hydrogen.
4
Q
Carbon Dioxide:
2 oxygen atoms for ever 1 ________ atom.
A
Carbon.
5
Q
What is HCl?
A
Hydrochloric Acid
6
Q
What is CuS?
A
Copper Sulphate.
7
Q
What is CuCl₂?
A
Copper Chloride.
8
Q
What is Na₂O?
A
Sodium Oxide.
9
Q
What is MgCl₂?
A
Magnesium Chloride
