Explanation:
I can't guess it properly
Non metals form ionic bonds by gaining and losing electrons to complete their valence she'll and increase stability.
Metals form covalent bonds by sharing electrons.
Density<span> is </span>defined<span> as the ratio between mass and volume or mass per unit volume.
Source is google
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One mole of methane has a mass of 16 g
A) 1 cm ---------- 10 mm
14 cm ---------- ?
14 x 10 / 1 => 140 mm
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b) 1 cm ----------- 0.00001 km
14 cm ---------- ?
14 x 0.00001 / 1 => 0.00014 km
