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Charra [1.4K]
3 years ago
10

20 POINTS IF YOU CAN ANSWER THIS CORRECTLY, PLEASE!

Chemistry
1 answer:
xeze [42]3 years ago
7 0

Answer: a

Explanation: trust me

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Decide which element probably forms a compound with chlorine that has a chemical formula most and least similar to the chemical
Degger [83]

Answer:

Most similar - Lithium

Least similar - Phosphorus

Explanation:

Rubidium is an element in group 1A of the periodic table. It is a metal and forms an ionic compound with chlorine. The formula of the compound is RbCl.

If we look at the options, Lithium is also a group 1A element and forms an ionic compound with chlorine having the formula LiCl which is very much similar to RbCl chemically.

Phosphorus is a nonmetal. Its compounds with chlorine, PCl3 and PCl5 are covalent and does not resemble RbCl in any way.

8 0
3 years ago
It
ivann1987 [24]

Answer:

His mistake was that he also gave the plants  in the music room some fertilizer

Explanation:

When carrying out a reliable experiment, the only variable should be the question being tested. The question here is whether playing music for plants helps them grow faster. Therefore, all the plants should be grown in exactly the same conditions apart from the presence or absence of music.

However, Jo also added fertilizer to the plants in the room where music was playing. Therefore, we don't know whether the fertilizer or the music caused the plants to grow faster.

Instead, Jo should have not given fertilizer to any of the plants, or given fertilizer to all the plants.

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3 years ago
Which sphere exists because of there is liquid iron as part of the earth's core?
Feliz [49]
The answer is the magnetosphere 
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