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3 years ago

PLZ HURRY

Chemistry

2 answers:

Aliun [14]3 years ago

5 0

Hello.

The answer is: False

The current theory of the formation of our solar system is that the planets formed more or less in their present orbits and they were made balls of gas but they were never comets captured by the sun.

Have a nice day

Travka [436]3 years ago

4 0

The correct answer is false because the planest were not captured by the sun and they originally made from gas. Hope This Helps!

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Gather data: Four other pairs of elements in the same chemical family are listed below. List the number of valence electrons in

Iteru [2.4K]

Explanation:

Valence electrons is the number of electrons in the outermost shell of an atom. For the main group elements, the group number represents the number of valence electrons.

Beryllium

This belongs to the group 2 hence, it has valency of 2.

Nitrogen

This belongs to group 5, hence it has valency of 5.

Oxygen

This belongs to group 6, hence it has valency of 6.

Fluorine

This belongs to group 7, hence it has valency of 7.

Magnesium

This belongs to group 2, hence it has valency of 2.

Phosphorus

This belongs to group 5, hence it has valency of 5

Sulphur

This belongs to group 6, it has valency of 6

Chlorine

This belongs to group 7, it has valency of 7

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2 years ago

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Lile would not be possible on Earth without the water that covers much of its surface, and the air that surrounds it. Earth's wa

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Answer:

Option D:

evaporation from lakes and rivers

Explanation:

The water cycle is a natural cycle that shows how water moves and circulates within a natural environment. Water usually moves between the hydrosphere and the atmosphere through evaporation and condensation.

When water evaporates from the hydrosphere (the water bodies), it goes up into the atmosphere where it cools to become clouds. As more water evaporates, the clouds formed increase in mass. Once the clouds are too heavy to be held up in the sky, they fall down as precipitation (rain, snow, hail) into the water bodies and surrounding land below.

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2 years ago

A neutron inside the nucleus of an atom breaks down into a _______ and an _____ which is emitted

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Proton and an electron .

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3 years ago

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Ms. Crawford gave the following instructions to her science class: • Place an empty water bottle on the table and remove the lid

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A) chemical - gas produced
took the test sorry for being a day late.

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