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Ksivusya [100]
3 years ago
6

I NEED HELP PLEASE, THANKS!

Chemistry
1 answer:
Xelga [282]3 years ago
5 0

Answer:

See explanation

Explanation:

In the scientific method, you always begin with asking a question. Then, you do research, make a hypothesis, and test that hypothesis based on the initial question. If experimental data does not support your hypothesis, then you can restart by asking a new question, based on what you already know. Hope this helps!

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What is the energy transformation taking place as a moving roller coaster slowly climbs a steep hill?
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Kinetic energy to potential energy. Hope this helps.


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3 years ago
What is the charge on an atom after it gains two electrons during the formation of a bond?
scoundrel [369]

Answer:

negative or neutral

Explanation:

electrons have a negative charge

  • the atom can be balanced by the negative charge if it was at two protons before

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4 years ago
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Multiple covalent bonds may occur in atoms that contain carbon,nitrogen, or
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Answer: Multiple covalent bonds may occur in atoms that contain carbon,nitrogen, or  <u><em>oxygen</em></u>.

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3 years ago
According to anthropologists, why did people moved to the Northern Nile River? (Site 1)
balu736 [363]

Answer:

The correct answer is - it provided water, food, transportation, and excellent, fertile soil for growing food.

Explanation:

People of Egypt moved to the northern Nile river due to various reasons. In this region, the soil is very excellent and helps in growing crops as the soil is fertile due to the appropriate climate and water resources.

It is aso helps in selling and transporting the products as it was a trade route at the time. As it is known Egypt has almost no rainfall so the only way crops can get water is through the Nile river.

4 0
3 years ago
What is the isotope notation for an ion of silver-109 with a charge of positive 1
Arisa [49]

Answer:

The isotope notation for an ion of silver-109 with a charge of positive 1 is _{47}^{109}Ag^{1+}.

Explanation:

The elements with same atomic number with different mass numbers are called isotopes.

The isotopes of silver is as follows.

_{47}^{109}Ag,_{47}^{107}Ag

From the above two isotopes have same atomic number and different mass number.

From the given,the isotope notation for an ion of silver-109 with a charge of positive 1

It can be represented is as follows.

_{47}^{109}Ag^{1+}

General representation of isotope is as in attachment.

6 0
3 years ago
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