GCSE C1 (Higher) Attempt 2
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Last updated almost 5 years ago
10 questions
1
What is chromatography used for?
What is chromatography used for?
1
Define an isotope.
Define an isotope.
1
Which describes fractional distillation as you move up the column?
Which describes fractional distillation as you move up the column?
1
What type of ion does an atom form when it gains electrons?
What type of ion does an atom form when it gains electrons?
1
Why are atoms electronically neutral?
Why are atoms electronically neutral?
1
Who discovered the atom was mostly empty space and how?
Who discovered the atom was mostly empty space and how?
1
What type of ion does an element in Group 3 form?
What type of ion does an element in Group 3 form?
1
What techniques can be used to separate rock salt?
What techniques can be used to separate rock salt?
1
Why is the line in chromatography drawn in pencil?
Why is the line in chromatography drawn in pencil?
1
How many electrons can the first four shells hold in total?
How many electrons can the first four shells hold in total?