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Naya [18.7K]
3 years ago
14

On the periodic table, calcium and bromine are located in period 4. What is one difference between the two elements?

Chemistry
1 answer:
Dovator [93]3 years ago
4 0

Answer:

D

Explanation:

Just look at the groups and their tendencies. Or look at their electron configurations. You will notice that calcium has 2 valence electrons and bromine has 7 valence electrons.

Halogens have the most valence electrons possible without completing a shell (8 would be needed for that)

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Answer:

Yes, chloromethane has stronger intermolecular forces than a pure sample of methane has.

Explanation:

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For chloromethane, there is in addition to dispersion forces, dipole-dipole interaction arising from the polar C-Cl bond in the molecule. Also the molar mass of chloromethane  is greater than that of methane implying a greater magnitude of dispersion forces in operation.

Therefore, chloromethane has stronger intermolecular forces than a pure sample of methane has.

7 0
2 years ago
10. What is the IUPAC name of this compound? CH3 -CH2-C =C-CH3​
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Explanation:

Sn(WC)2

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3 0
3 years ago
What are the 6 types of chemical reactions?
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