Question

A) Select the correct option:

1) The formula for the compound represents

(A)Atom (b) particle (c) molecule (d) combination

2) The correct formula of Aluminium oxide is:

A) AlO3 (b) Al02 (c) Al203 (d) AlO

3) The valency of nitrogen in nitrogen dioxide (NO2) is:

A) 1 (B) 2 (C) 3 (D)4

4) The valency of iron FeCl3 is:

A) 1 (b) 2 (c) 3 (d) 4​

Answer 1

Answer:

1 . atom

2.AIO

3.2

4.3

Explanation:

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Answer 2

Answer:

1) atom

2) ( AL2O3 )

3) 4

4) 3

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