Question

answer all question A and B I will mark as brainlist and also follow them​

Answer 1

Answer:

Fill in the blanks

2) mixture

3) Element

4) Compound

Explanation:

Rest are correct

Answer 2

Answer:

${\underline{ \underline {\rm \: A.) \: Chemical \: \: formulae }}}$

$\rm \: 1.)\: Potassium \: chloride \: {\tt \leadsto} \bf \: KCL$

$\rm 2.)Sodium \: oxide \: { \tt \leadsto} \bf \: Na2o$

$\rm3.)Calcium \: chloride \: { \tt \leadsto} \bf \: CACL2$

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${\underline{ \underline {\rm \: B.) \: Fill \: in \: the \: blanks }}}$

1. Atoms may or may not exist independently.

2. Molecules are formed when two or more similar or different atoms joined together.

3. Element is made up of only one kind of atom .

4. Compound consists of two or more substances simply mixed together.

5. Atomicity is the number of atoms present in one molecule of an element.