You mean trapezoid? _........-------- \ / \ / \ /_____________.\
You mean ghetto?
If x and y are two positive numbers, with arithmetic mean A, geometric mean G and harmonic mean H, then A ≥ G ≥ H with equality only when x = y.
Whatever you want it to mean
it's mean merriage enqury
istopes have different numbers of neutrons and most of their elements have several istopes
deuterium and tritium.
by their mass numbers.
istopes
they have not been decided yet
neutrons
istopes
Yes, they are isotopes of helium
neutrons
Examples: francium-223 or Fr-223.
Same number of protons; identical or very similar chemical properties.
Isotopes are formed through variations in the number of neutrons in the nucleus of an atom