Question

anybody has class 7 computer textbook "chapter 5 charts in ms excel"
then please answer

Answer 1

Answer:

Examples of covalent compounds include:

O2 – oxygen.

Cl2 – chlorine.

PCl3 – phosphorus trichloride.

CH3CH2OH – ethanol.

O3 – ozone.

H2 – hydrogen.

H2O – water.

HCl – hydrogen chloride

Answer 2

Answer:

Science is the pursuit and application of knowledge and understanding of the natural and social world following a systematic methodology based on evidence. Scientific methodology includes the following: ... Evidence. Experiment and/or observation as benchmarks for testing hypotheses.

Explanation:

hope it's helpful,,

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