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Chemistry, 23.10.2020 14:00 alexandergonzalez38

Help ASAP PLEASE
1-Name the elements in gp1.
2-Why are these elements placed in gp1?
3-Mention the trends in atomic size, atomic number, mass number, reactivity, boiling & melting points.

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Help ASAP PLEASE
1-Name the elements in gp1.
2-Why are these elements placed in gp1?
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