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SVEN [57.7K]
3 years ago
8

How much energy is needed to completely remove an electron from n $ 2 in a hydrogen atom?

Chemistry
1 answer:
NeTakaya3 years ago
7 0
The energy needed to split an atom into separate protons, neutrons, and electrons
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Which trends appear as the elements in Period 3 are considered from left to right?
andreev551 [17]

Answer:

Metallic character decreases, and electronegativity increases.

Explanation:

Hello!

In this case, according to the organization of the periodic table, we can see that from left to right, the electronegativity increases as nonmetals are able to attract electrons more easily than metals.

Moreover, in contrast to the previous periodic trend, the metallic character decreases from left to right because the elements tend to decrease the capacity to lose electrons and consequently start attracting them.

Thus, the answer would be: "Metallic character decreases, and electronegativity increases".

Best regards!

8 0
3 years ago
The mass of an atom is measured in a unit named the<br> ____. fill in the blank please helpppp
Volgvan

Answer: amu

Explanation: it stands for atomic mass unit and it is the measurement that’s used to measure the mass of atoms

5 0
3 years ago
I typed a question. It said give points. I selected. Someone answered notification came. But where do I see they persons answer?
Ksivusya [100]

Answer:

212.304 grams

Explanation:

similar to your other question, use the same formula

q=mCpΔT

23617=m(4.182)(46.6-20)

23617=111.2412m

m=212.304g

6 0
2 years ago
What volume of a 5.00M solution of hydrochloric acid contains 8.00mol of HCl?
rjkz [21]

Answer:

520ML and apparently I need to put more in this answer

Explanation:

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7 0
3 years ago
A current theory states during Earth’s formation, it was struck by a planet approximately the same size as Mars. Select the foll
Ivanshal [37]

Answer:

the earth gained mass from the impact :)

welcome

7 0
2 years ago
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