How many electrons does hydrogen need to satisfy the octet rule?

1 answer:

4 0

Just 2 valence electrons.

Hydrogen already has one to start with, as well. With the exception of hydrogen and helium, all other atoms need 8 valence e-

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Select the correct answer.

zaharov [31]

C. a long chain of carbon atoms with hydrogen atoms attached to them.

Explanation:

3 0

3 years ago

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The molecule NH3 contains all single bonds.<br><br> true <br> false

dsp73

<h3><u>Answer;</u></h3>

True

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

The molecule NH3 contains all single bonds.
NH3 has a three single covalent bond among its nitrogen and hydrogen atoms,because one valence electron of each of three atom of hydrogen is shared with three electron.
There are three covalent bonds are in NH3 . Each hydrogen make a single bond with nitrogen and there is also a pair of electron which is unpaired from nitrogen.

8 0

3 years ago

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Can a chemical reaction happen with only one substance? For example, if you select water as the first substance but you don't ad

KATRIN_1 [288]

Explanation:

Yes, a chemical reaction can happen with only one substance.

A typical example of such reaction is the radioactive decay.

Radioactive decay is the loss of elementary particles from an unstable nucleus, ultimately changing the unstable element into another more stable element. .

When radioactive elements are let alone, they decompose to form stable harmless elements.

An example of radioactive decay is attached in the image below;