4 years ago

Which statements about the formation of the solar system are true and in a correct order?

1 answer:

6 0

The statement about the formation of the solar system that are true and in a correct order are Gravitational force held the newly formed planets around the sun; small planetary objects formed; hydrogen and helium became concentrated in the outer solar system to form the outer planets. The answer is letter D.

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Need answer today!!!

scoray [572]

Answer:

Calcium for 2+ charge and Fluorine forms 1- charge

Explanation:

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3 years ago

The coefficients in a chemical equation??

cricket20 [7]

D is the answer I believe.

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3 years ago

The carbon atoms in saturated hydrocarbons ________. Group of answer choices contain a benzene ring contain at least one double

Aliun [14]

Answer:

Have only single bonds.

Explanation:

Hello,

In this case, we need to remember that saturation is a state at which a carbon chain contains no insaturations, that is neither double nor triple bonds such case are alkenes and alkynes, but saturations only which are characterized by the presence of single bonds between adjacent carbon atoms. Such is the case of ethane (CH₃-CH₃), propane (CH₃-CH₂-CH₃), butane (CH₃-CH₂-CH₂-CH₃) and so on.

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3 years ago

How many electron pairs are shared by an oxygen molecule?

Lana71 [14]

Two electron pairs is the answer

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3 years ago

How many molecules of HCI would react with 1 mol of MgO?

olganol [36]

Answer:

Explanation:

MoleculesHcl = (1 molMgO/1)(2molHCL/1molMGO)(6.02x10^23/1molHCL) = 1.204x10^24

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3 years ago