Question

Write down electronic configuration of elements of group 16 Predict
the changes in following properties -
(A) oxidation state
(B) Hydrides

Answer 1

Answer:

The numbers placed in front of formulas to balance equations are called coefficients, and they multiply all the atoms in a formula. Thus, the symbol “2 NaHCO3” indicates two units of sodium bicarbonate, which contain 2 Na atoms, 2 H atoms, 2 C atoms, and 6 O atoms (2 X 3= 6, the coefficient times the subscript for O)

Explanation:

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