C1 Flashcards
1
Q
What is the charge of a proton?
A
+1
2
Q
True or false?
Elements contain more than one type of atom?
A
Noo they contain atoms with the same atomic number and the same number of protons
3
Q
Give the formula for carbon dioxide?
Sodium carbonate?
A
CO2
SCB probs
4
Q
What is the difference between a compound and a mixture?
A
There’s a chemical bond in compounds
The parts in the mixture can be separated through physical methods in mixtures
E.gAir is a mixture of gases
Crude oil is a mix of different length hydrocarbon molecules
5
Q
What is the name of the pattern formed from carrying out paper chromatography?
A
chromatogram
6
Q
Name methods of separation
A
EvaporationCrystallisation Separate soluble solids from solutions Filtration & Crystallisation Separate rock salt Distillation Separate solutions Fractional distillation Mixture of liquids
7
Q
What kind of ions do metals form?
A
POSITIVE
