- they do not have same number of neutrons
- they have dissimilar mass number
- they have different energy level schemes
- they have different number of valence electrons.
- Mg/2k
- Mg/k
- 2 Mg/k
- 4 Mg/k
- 6.4 × 10³W
- 3.4 × 10⁴W
- (1.6 × 10⁵W
- none of these
- Increase
- Decrease
- remain constant
- Need more data to say
- kilogram
- metre
- m/s
- second
- Increase the magnitude of current only
- Decrease the magnitude of the currently only
- Increase or decrease the magnitude of current
- None of these
- Gases
- Liquid
- Only solids
- Only gases & liquids
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