Chemistry
Isotopes differ in number of :
- Electrons
- Protons
- Neutrons
- Positive charge
Atomic Structure
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Answer
Neutrons
Reason — Isotopes are the elements having the same atomic number but different mass numbers.
For example : 2412Mg and 2612Mg
Isotopes differ in number of neutrons.
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Related Questions
Which metal gives hydrogen upon reaction with all of the following - Acid, alkali, water?
- Iron
- Zinc
- Magnesium
- Lead
A gas which can act as an oxidizing as well as reducing agent:
- CO
- NO2
- SO2
- H2S
The substance which leaves a black residue on heating is :
- Zinc carbonate
- Copper nitrate
- Lead carbonate
- Ammonium dichromate.
Name the gas evolved in each of the following cases:
(i) Copper carbonate is heated strongly
(ii) Lead nitrate is heated
(iii) Nitrogen combines with hydrogen
(iv) Copper sulphate is heated strongly
(v) Addition of sodium to cold water