List two characteristics of each of the three subatomic particles. Differentiate between a molecule and a...

Question

Question

science chemistry

Answer 1

Answer #1

Electron : It is negatively charged particle.

It's mass is 9.1 x 10^-31 Kg

Proton . : It is positively charged particle.

It's mass is 1.6726 x 10^-27 Kg.

neutron : It is a neutral particle.

It's mass is 1.6749 x 10^-27 Kg .

A molecule is formed when two or more atoms of an element chemically join together. (Homo-atomic) Ex. O₂ ,N₂ ,H₂ ,F₂

If the types of atoms are different from each other, then a compound is formed. (Heteroatomic ) Ex NaCl , CaCO₃

Answer 2

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