Topic 1 - Atomic Structure Flashcards
1
Q
Dalton model
A
- Atoms are tiny particles that cannot be created, destroyed or divided
2
Q
All models
A
- Dalton
- Nuclear
- 1st Bohr
- Modern Bohr with neutron
3
Q
What increases as you go along Mendeleev’s periodic table
A
- Atomic weight
4
Q
How did Mendeleev predict elements existance
A
- He based it off other elements in the same group
5
Q
What made Mendeleev’s table wrong?
A
- No isotopes
6
Q
Ammonium
A
NH4 +
7
Q
Nitrate
A
NO3 -
8
Q
Hydroxide
A
OH -
9
Q
Carbonate
A
CO3 -2
10
Q
Sulphate
A
SO4 -2
11
Q
Phosphate
A
PO4 -3
12
Q
Ionic compound as a lattice structure:
A
- Regular arrangement
- Held together by strong electrostatic forces
13
Q
Ionic
A
- Metal + Non
- High boiling point
- Conducts electricity when melted
- Soluble in water
14
Q
Covalent
A
- 2 Non-metals
- Low boiling
- Insoluble in water
- Doesn’t conduct electricity
15
Q
Giant Covalent
A
- 2 Non-metals
- High boiling
- Insoluble in water
- MOST do not conduct electricity