Question

4) Explain the following
a) co-efficient ② Avogadro's number
() Atomic mass
d) STP.
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Answer 1

Hey buddy!!

here's the answer to your question..

1.) coefficient is the number given to atoms or molecules that take part in a chemical reaction.

2.)Avogadro's number is defined as the number of particles in one mole of any substance. Broadly,its value is 6.022×10²³.

3.)atomic mass of an element is defined as the mass of its atom expressed in atomic mass units.It is approximately equal to the number or protons and neutrons in the atom.

4.)STP stands for Standard Temperature and Pressure. It is the condition at 0°C and 1atm pressure.

hope it helps...please mark as brainliest.