Science, asked by lovelyguys6, 5 months ago

answer plz

Class 9th ch-3 science❤️

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Answered by Anonymous

3

Answer:

3) A chemical formula identifies each constituent element by its chemical symbol and indicates the proportionate number of atoms of each element.

4) Atoms present in H2S molecule is 3.

Atom present in PO43- is 5.

Answered by insaneabhi2609

2

Explanation:

(v) Caco3 : calcium carbonate

(3) chemical Formula is a Formula which helps in identify the chemical element

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