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science9

chemistry

QuestionAnswer
what is an atom? An atom is the smallest part of a element.
what are subatomic particles? particles that are smaller then atoms. The three are Protons, Neutrons and Electrons.
what are protons? protons are positively charged subatomic partials.
neutron are? neutrons have no charge...neutral.
electrons are? electrons are what fills up the space sounding the nucleus. They have a negative charge
what are metals? metals are on the left side of the periodic table.
what are non- metals? non- metals are located on the right side of the periodic table.
what is ductile? ductile are metals that are able to be formed into wires or strips.
where are metalloids on the table? they are in the stair case...elements containing both metal and non metal properties
what is the atomic number? number of protons in any give element.
what is atomic mass? the weight averaged of the masses of the atoms of a element.
alkali metals? soft, strong and have a low densities.
alkaline earth metals? all are reactive, very soft and have a low densities.
halagons are? gasses at room tempture.
noble gasses are? normally unreactive and colorless.
what is a ion? ions have the same number of protons and electrons but a different number of shells.
what's a element? a pure substance that can not be broken down.
what is a compound? When we chemically combine two elements.
whats a covalent compound? compounds that form when atoms share electrons and form molecules. Combining a non-metal with another non-metal
ionic compounds are? compounds that form when a metal is combined with a non-metal.
malleable is: a property of metals that make them moldeable and able to form into outher shapes
Created by: delaney2222