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Science test 1


proton a positively charged particle
electron a negatively charged particle
neutron a uncharge particle
nucleus the core of an atom
element a substance that make only one kind of atom
molecule 2 or more atom that bond together
atomic # the # of proton in a atom
atomic mass (#) the # of protons and neutrons in a atom
isotopes atoms that gain or loses one or more electron(s)
ions atoms that gain or loses one or more neutron(s)
periodic table a repeating pattern of properties of elements
periods horizontal rows in the periodic table
metals elements that conduct electricity and heat and are shiny
alloys the combination of 2 or more metals
metalloid elements that have properties of both metals and non- metals
non-metals have properties opposite of metals
Created by: rkakar2024