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Artyom0805 [142]
3 years ago
7

How many electrons are in the outermost energy shell of a calcium atom

Chemistry
1 answer:
kramer2 years ago
5 0
There are 2 on the outer shell
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swat32

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2 years ago
How many moles are in 3.5 x 10^24 molecules of methane gas?
Alexxx [7]

Answer:

5.81 moles

Explanation:

To find the number of moles (n) in 3.5 x 10²⁴ molecules of methane gas, we divide the number of molecules by Avagadro's number (nA). That is,

n = number of molecules ÷ 6.02 × 10²³

According to this question, 3.5 x 10^24 molecules of methane gas was given, hence,

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7 0
2 years ago
choose five elements from the periodic table and arrange them according to increasing atomic radii increasing ionization energy
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Choose five elements from the periodic table and arrange them according to increasing atomic radii increasing ionization energy increasing electronegativity in increasing metallic property
6 0
3 years ago
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mr Goodwill [35]

Answer:

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Explanation:

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