Science
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Dinosaur valentine cards #2 to print out and color.
Dinosaur valentine cards #3 to print out and color.
Dinosaur valentine cards #4 to print out and color.
Atomic Number. An atom's atomic number of an element is the number of protons in the nucleus of one of its atoms
Atomic Weight. An atom's atomic weight measures the total of the mass of the protons, neutrons, and electrons.
KELVIN TEMPERATURE SCALE
Nucleus. The nucleus of an atom is its tiny central region, and comprises the bulk of the atom's mass, containing the...
Proton. Protons are small, positively-charged atomic particles
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