Question

ma compound
can be separated into its components by
of embuture are similar to the propert
5 Apure substance can be further divided into
- State TRUE FALSE
Combine together.
4 Valency of sygen is 2
5. The number of atoms of each element should be same
Match the following:
a cu
b. Mg(OH
a re
e Nao
2 Copper
3. Sodium Oxide
4. Magnesium hydrodde
5. Silver
Answer the following questions in brief.
1 Name the subatomic particles present in an atom
2 is gold an element of a compound?
3. Write the valencies of copper, nitrogen and sulphur
Same the element represented by the symbol
A molecule of a compound is formed only when similar at
2 The chemical symbols of elements are the abbreviated for
3 Combining capacity of an element is called its valency.​

Answer 1

Answer:

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Answer 2

Answer:

compound is separated into its components by physical properties