(c) He, Na, Mg (increasing order of melting point).

1 answer:

4 0

Answer:

Helium has melting point of - 272.2°C or - 458°F

Sodium (Na) = 650°C. or 208°C

Magnesium (Mg) = 97.79°C. Or 1202°F

Explanation:

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(c) He, Na, Mg (increasing order of melting point).​