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Chemistry for Biology

Across
Elements which have similar properties, arranged in columns in PT
_______ number , each element is listed according to.
The central core of the atom
Electron _____ Notation
Subatomic particle outside the nucleus
_______bond, when atoms share valence electrons which each other
Found in the nucleus with the protons
Down
Letters on the Periodic Table which represent the elements
______electrons, those furthest from the nucleus of the atom
_______number, the total number of protons and neutrons in an atom's nucelus
Positively-charged subatomic particle
A substance with only one kind of atom
Shorthand representation of a compound, showing types of elements
A group of atoms bonded by covalent bonds
A substance made from atoms bonded together
Smallest possible piece of an element