Examlex
Suppose you toss a fair coin twenty-six times and each time you observe heads (i.e., 26 heads in a row) . What is the probability of heads on your next toss?
Mass
A measure of the amount of matter in an object, usually expressed in grams or kilograms.
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.
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