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Elis [28]
3 years ago
5

Which particles that make up an atom are involved in nuclear reactions?

Chemistry
1 answer:
Bezzdna [24]3 years ago
6 0

Answer:

protons and neutrons- second choice

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Explanation:

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Whats heptane's formula?
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Heptane means seven carbon atoms and since the general formula is CnH2n+2, heptane will be C7H16
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Using VSEPR theory which of the following would be the correct shape for nitrogen trifluoride?
RUDIKE [14]

Answer:

trigonal pyramidal

Explanation:

In NF3, the nitrogen atom is sp3 hybridized. Now we must remember that according to the VSEPR theory, the number of electron pairs in the valence shell of the central atom in a molecule determines its shape.

Here, the nitrogen atom is the central atom and its outermost shell is surrounded by four electron pairs - one lone pair and three bond pairs. This means that it has a tetrahedral electron pair geometry.

However, due to the lone pair, the three fluorine atoms are arranged in a  trigonal pyramidal geometry. Hence the correct shape of the molecule is trigonal pyramidal.

6 0
3 years ago
Metals tend to ________ electrons and form _______ ions.
masya89 [10]
<span>Metals tend to lose electrons and form electro-positive ions / cations.</span>
5 0
4 years ago
Lithium is a metal.
Zina [86]

Answer:

Explanation:

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8 0
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