Question

Give the names of the elements and number of atoms of those elements, present in the following compounds.

(a) Sodium sulphate.
(b) Quick lime.
(c) Baking soda (NaHCO3).
(d) Ammonia.
(e) Ammonium dichromate.​

Answer 1

Answer:

1) Sodium sulphate - Na2SO4 ( 7 Atoms)

2) Quick lime - CaO ( 2 Atoms)

3) Baking soda - NaHCO3 + C4H6O6( 6 Atoms)

4) Ammonia - NH3 (3 Atoms)

5) Ammonium dichromate :-

(NH4)2Cr2O7 ( 19 Atoms )

Thank you

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Answer 2

Explanation:

1. na2 so4 = 7 atoms ( 2na, s, 4o)

2. cao = 2atoms ( 1ca,1o )

3. nahco3 = 6 atoms( 1na, 1h , 1c, 30)

4. nh3 = 4atoms ( 1n, 3h)

5. (nh4)2 Cr2o7 = 19 atoms ( 1n, 8h, 2cr, 70)