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12345 [234]
3 years ago
6

What is the answer ?

Chemistry
2 answers:
Diano4ka-milaya [45]3 years ago
8 0
Aaa no one has a chance of a meeting today or Friday at
insens350 [35]3 years ago
6 0

Answer: Its not popping up for me *-*?

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ahrayia [7]

Answer:

B. calcium has electrons in more energy levels than magnesium

Explanation:

atoms are made of three types of subatomic particles - electrons, protons and neutrons.

Neutrons and protons reside in the nucleus of the atom and electrons reside in energy shells

electronic configuration for both Ca and Mg are as follows

Mg - 2,8,2

Ca - 2,8,8,2

outermost energy shell of Mg with electrons is the third energy level

whereas outermost energy shell of Ca with electrons is the fourth energy shell

therefore Ca has a larger atomic radius than Mg as it has one more energy shell than Mg in which electrons reside

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Answer:

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Explanation:

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I don’t get it plz help
d1i1m1o1n [39]
D=m/v. (Density equals mass over volume).
So in your case density = 4.2/6
Which equals 0.7
Your units will be grams over milliliters

So your answer is 0.7 g/ml
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False is the correct answer
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