Examlex
Which of the following is/are tetrahedral?
1) methane, CH4
2) methyl carbocation, CH3+
3) methyl carbanion, CH3-
4) methyl radical, CH3-
Isotopes
Variants of a particular chemical element which have the same number of protons in their nuclei but differ in the number of neutrons, leading to different atomic masses.
Atomic Number
The number of protons in the nucleus of an atom, which defines the chemical element.
Mass Numbers
The total number of protons and neutrons in the nucleus of an atom, indicating its atomic mass.
Subatomic Particles
Particles smaller than atoms, including protons, neutrons, and electrons, which are the building blocks of atoms.
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