Question

Atomic mass and valency
of Silicon​

Answer 1

Answer:

silicon has 14 protons , and as it is a neutral atom ( not an ion) it has 14 electrons .as such the electronic configuration is 2,8,4 . the last number is 4 , and as such, it's valency is 4.

Explanation:

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Answer 2

The atomic mass of Silicon is 28.0855 u and its valency is 4.

What are the properties of silicon?

• Pure silicon is in the form of a hard solid substance
• The isotopes of silicon are Silicon-28 and Silicon-30
• It is non-metal which is the second most abundant element
• It is discovered by "Jons Jacob Berzelius", who is a Swedish chemist
• Its density is 2.33 gms/cm³
• It is found in the earth's crust
• Its purest form is very reactive