On the basis of significant figures, the accuracy of measurement made using an analytical balance is more reliable.
<h3>What is an analytical balance?</h3>
An analytical balance is a special type of weighing balance that has a reputation for obtaining the mass of very small objects even as low as milligrams. It consists of a transparent glass casing and a scale.
On the basis of significant figures, the use of an analytical balance to determine the weight will improve the accuracy of the determination since it determines the mass to more significant figures.
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B.) When atoms share electrons/......
If it is not an isotope then it has around 21 neutrons
Since the total amount of valence electrons is 3, it is in group 13 in the periodic table..therefore, it is specified as Boron.✅