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spayn [35]
3 years ago
12

What ion will be formed by the selenium atom shown below when it has a stable set of valence electrons?

Chemistry
1 answer:
Bas_tet [7]3 years ago
3 0

Answer:

Explanation:

D. Se2−

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Four samples of gas each exert 675 mm Hg in separate 3.5 L containers. What pressure will they exert if they are all placed in a
DedPeter [7]
The pressure that  will  be   exerted if  four sample  of gas are placed in a single  3.5 container  is calculated as below

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The pressure of a gas contained in a cylinder with a movable
insens350 [35]

Answer:

B) 244.5

Explanation:

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How can you tell if a compound contains a polyatomic ion because the entire compound has?
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