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777dan777 [17]
3 years ago
7

Which two of the following groups are very reactive?

Chemistry
1 answer:
Snezhnost [94]3 years ago
3 0

Answer:

A & B

Explanation:

Noble Gases are the least reactive as they have a full valence shell (and are stable)

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An atom of oxygen has six valence electrons. In nature, oxygen is a diatomic molecule and is usually found in the form O2. Why w
zheka24 [161]

Answer:

In order to attain stability

Explanation:

Every chemical bonds that are formed results from the desires of atoms to achieve stability like the inert and nonreactive noble gases. By so doing, their outer shell electrons must be completely filled to attain an octet configuration like the noble gases with eight outermost electrons.

An atom of oxygen has six outer electrons. To complete its octet, it will require just two more electrons.  

This desire will make it bond with another atom. In the vicinity of another oxygen atom, it will bond. The type of bond formed will be a covalent bond which results from each of the oxygen atom sharing two of their valence electrons.

The joint shared electrons will now be four electrons. This four electrons will make each of their octet complete and a covalent bond occurs.

3 0
3 years ago
What is meant by the term specific heat?
Alex73 [517]

Answer:

the heat required to raise the temperature of the unit mass of a given substance by a given amount (usually one degree).

8 0
3 years ago
Pls answer
Softa [21]

Answer:

a

Explanation:

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6 0
3 years ago
The molecule with the largest dipole moment (a) co2 (b) h2o (c) ch4 (d) c2h4 (e) ph3
storchak [24]

The molecule with the largest dipole moment will be CH_{4}.

A dipole moment would be a unit used to describe how far apart two electrical charges are from one another. Dipole moments represent a type of vector. The direction could be from negative charge to positive charge, while the magnitude has been equal to the charge times the distance between most of the charges.

The polar bonds, of  CO_{2} as well as H_{2} O have chemical configurations where the polarity cancels, leaving no net dipole. Regardless of the molecule's shape, CH_{4} lacks a net dipole due to its non-polar links.

The molecule with the largest dipole moment will be CH_{4}.

Hence the correct answer will be option (c).

To know more about dipole moment

brainly.com/question/2088415

#SPJ4

3 0
2 years ago
If 20.0g of water at 56.2℃ absorbs 195 J of heat, what is the final temperature? *
Gnom [1K]

Answer

Explanation:

rr

3 0
3 years ago
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