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6th - Atoms, Elements & Compounds

number of protons in an atom atomic number
part of the atom with a positive charge proton
part of the atom with a negative charge electron
center of an atom that is surrounded by a cloud of electrons nucleus
smallest unit of matter that everything is made of atom
part of the atom with a neutral charge neutron
number of protons and neutrons in an atom atomic mass
A substance made of all the same type of atoms element
a substance made of more than one type of atoms compound
Are elements or compounds found on the periodic table? elements only
Which two parts of the atom weigh the most? protons and neutrons
Which one part of the atom weighs the least? electrons
These atoms have the same number of protons, but different numbers of neutrons isotopes
atoms that have an electric charge because they have a different number of protons and electrons ions
Are metals or nonmetals found to the right side of the zigzag line on the periodic table? nonmetals
Are metals or nonmetals found to the left side of the zigzag line on the periodic table? metals
In the periodic table, elements are arranged in __________ according to their atomic number. periods
Is the current periodic table the only way of organizing elements? NO
Created by: Cabrini