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velikii [3]
3 years ago
9

What group would this element be in?

Chemistry
1 answer:
Lesechka [4]3 years ago
6 0
Non-metals. it is fluorine i believe and in the periodic table it is under the non-metal category
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Balance this equation. If a coefficient of "1" is required, choose "blank" for that box. ____CO +____ O2 → ____CO2
Black_prince [1.1K]
<h3><u>Answer;</u></h3>

2, Blank, 2 ;

<h3><u>Explanation;</u></h3>

The balanced chemical equation would be;

2 CO + O2 → 2 CO2

Balancing a chemical equation ensures that the number of atoms of each element are equal on both the reactants side and the products side. This ensures that the law of conservation of mass is obeyed in chemical reactions.

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The shielding of electrons gives rise to an effective nuclear charge, Zeff, which explains why boron is larger than oxygen. Esti
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Zeff = Z - S

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For boron, the electronic configuration is 1s₂ 2s₂ 2p₄

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For O, electronic configuration is 1s₂ 2s₂ 2p₄

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Hence, the correct answer is second option, that is, +3 and +6, the Zeff of boron is smaller in comparison to O, thus, boron exhibits a bigger size than O.

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