Questions

Atoms of the same element can have same atomic number and number of electrons since, the atomic number is the number of protons and the number of protons and eectrons are the same in an element.

Hence, the atoms of the same element may differ in their atomic mass since it depends on the number of neutrons it holds and such atoms are called isotopes.

The term for classifying and grouping organisms is Taxonomy. It is the science of defining and naming groups of biological organisms on the basis of shared characteristics.

The Stoic School taught that man should accept his fate, since he cannot change it. According to Stoics, serenity of mind is the goal all men should strive to attain.Epicureans believed that the highest good for man is pleasure ,but they aimed at tranquility of mind rather than indulgence in pleasures.

SY Quraishi