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Yuri [45]
3 years ago
8

What is allotrope of carbon??​

Chemistry
1 answer:
solong [7]3 years ago
3 0
Carbon has several allotropes, or different forms in which it can exist. These allotropes include graphite and diamond, which have very different properties. Despite carbon's ability to make 4 bonds and its presence in many compounds, it is highly unreactive under normal conditions.
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3 years ago
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If element A is in Group 13 and element B is in Group 17, which ions will be formed when A and B react together?
Kobotan [32]

Answer:

A3+ and B-

Explanation:

Elements in group 13 have outermost electron configuration, ns2np1 hence they form trivalent positive ions.

Elements in group 17 have outermost electron configuration ns2np5 hence they form univalent negative ions.

This implies that, if element A is in Group 13 and element B is in Group 17, the ions formed are A3+ and B-.

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2 years ago
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Sonbull [250]

Answer: option B. Poles

Explanation:

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3 years ago
Write an equation to show how perchloric acid, HClO4, reacts with water. Include states of matter in your answer. Click in the a
BARSIC [14]

Answer:

HClO4(aq) + H2O(l) ⇄ H3O+(aq) + ClO4-(aq)

Explanation:

When an acid dissolves in water, it will produce hydronium ion, H3O+ as the only positive ion.

perchloric acid, HClO4, being an acid will react with water, H2O to produce hydronium ion, H3O+ as shown below:

HClO4(aq) + H2O(l) ⇄ H3O+(aq) + ClO4-(aq)

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