Question

the number of elctrons is an ion M^2+ will be ( atomic number =20 )
(a)22 (b)20 (c)18 (d) none of these​

Answer 1

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11th

Chemistry

Structure of Atom

Discovery of Subatomic Particles

(i) Calculate the total num...

CHEMISTRY

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Asked on October 15, 2019 by

Sachin Amizz

(i) Calculate the total number of electrons present in one mole of methane.

(ii) Find (a) the total number and (b) the total mass of neutrons in 7 mg of

14

C.

(Assume that mass of a neutron =1.675×10

−27

kg).

(iii) Find (a) the total number and (b) the total mass of protons in 34 mg of NH

3

at STP.

Will the answer change if the temperature and pressure are changed?

Explanation:

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Answer 2

22

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