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djverab [1.8K]
3 years ago
15

HELP PLEASE!!! FIRST PERSON TO ANSWER GETS 90 POINTS AND MARKED BRAINLIEST!

Chemistry
1 answer:
3241004551 [841]3 years ago
3 0

Answer:

MgO has a highest melting point

C5Br has lowesst

Explanation:

It takes a lot of energy to overcome the strong electrostatic forces of attraction between oppositely charged ions, so ionic compounds have high melting and boiling points. ... Magnesium oxide is made from ions with two charges (Mg 2+ and O 2-) and so has a much higher melting point of 2852°C.

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