Question

Exercises
ETS UNDERSTAND
Objective type questions
Fill in the blanks with the correct words.
(Mixture/Compound) is formed by chemical combination of two or
more elements
2
Hydrogen/Water) is an element and
(water
hydrogen) is a compound.
3 Chemical
(symbols/formulae) are the abbreviations used to
represent elements.
4 Chemical
(abbreviation/formula) is the representation of a molecule
of a compound using chemical symbols of its constituent elements.
5
(AtomicityNalency) is the combining capacity of an element.
6.
(N/NI) is the chemical symbol of Nickel.​

Answer 1

Answer:

1. Compound is formed by the chemical combination of two or more elements.

2. Hydrogen is an element and water is a compound.

3. Chemical symbols are their abbreviations used to represent elements.

4. Chemical formula is the representation of a molecule of a compound using chemical symbols of its constituent elements.

5. Valency is the combining capacity of an element.

6. Ni is the chemical symbol of Nickel.

Hope you find the answer helpful.