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____ [38]
3 years ago
12

Choose all the answers that apply.

Chemistry
2 answers:
iVinArrow [24]3 years ago
8 0

Answer:it all above

Explanation:

it all above because all the answer are truth so it all above

ki77a [65]3 years ago
4 0

Answer:

All of above

Explanation:

There are still more like global warming, population over growth, and even overconsumption. But mainly habitat destruction, natural disasters, disease, and invasive species. Just remember that this are all naturally occurring ways of extinction.  

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What are the charges of families 1, 2, & 13 (boron family) if/when they become Ions
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Explanation:

Group one elements are alkali metals. All alkali metal have one valance electron. They loses their one valance electron and from cation with charge of +1.

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Group two elements are alkaline earth metals. All alkaline earth metal have two valance electron. They loses their two valance electron and from cation with charge of +2.

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Group 13 elements are boron family. All elements have three valance electrons. They loses their three valance electron and from cation with charge of +3.

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Boron = +3

Aluminium = +3

Gallium = +3

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Group 13 elements are also shows +1 charge by losing one valance electron.

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DNA is a nucleic acid made of building blocks called nucleotides.
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