the smallest particle that still contains the properties of that element
any of the more than 100 known substances (of which 92 occur naturally) that cannot be separated into simpler substances and that singly or in combination constitute all matter
neutrons and protons
the two sub atomic particles that make up the nucleus
found orbiting the nucleus, negative
where are electrons found, what kind of charge?
tells the number of protons in that atom
= number of protons and electrons
neutral atom has an..
the sum of the protons and neutrons
a subatomic particle with a positive charge
atom of an element that has a fixed number of protons and neutrons
same element hat has same protons but different neutrons
when the atom has a positive or negative charge
negative charge type of ion
positive charge type of ion
outermost shell that controls bonding in the electron
type of electrons the lewis dot structure shows
collection of all the known elements arranged in order by atomic #
metals and nonmetals
what the stair step separates
an instrument that separates ionized atoms or molecules based upon their ratio of charge to mass.
theory that in the universe energy is transferred through very small particles at the atomic and subatomic level
rule that you need 8 in the valance shell to be stable
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