Structure Of Atom Flashcards
1
Q
Structure of the atom
A
Made of nucleus electrons and a protons
2
Q
What’s the charge of a proton?
A
+1
3
Q
What’s the charge of a nucleus
A
0
4
Q
What is the relative mass of an electron
A
-1
5
Q
What are isotopes?
A
Different form of the same element
6
Q
What is the formula of relative atomic mass?
A
Relative atomic mass= sum of (isotope abundance x isotope mass number)/sum of abundance of all the isotopes
7
Q
What are the compounds?
A
Element, compound and mixture
8
Q
What is a mixture?
A
Made up of separate substances which aren’t joined together with chemical bonds
9
Q
How do you separate a mixture?
A
They can be separate physically.
10
Q
What are the methods of separation?
A
Chromatography, filtration, crystallisation, simple distillation and fractional distillation
