Chemistry

Chemistry 2025
atom - anssmallest part of an element that can be identified as that element



atomic mass - anstotal mass of the protons and neutrons in an atom



atomic number - ansnumber of protons in the nucleus of an atom. This is the same number as the number of
electrons



chemical bond - ansforce of attraction that holds atoms together



chemical change: - anschange that produces new substances - burning wood to make ashes or mixing mentos
and coke. You can't get the wood or the mentos back.



chemical equation - ansstatement in which chemical formulas are used to describe a chemical reaction



chemical formula - answay of writing the name of a compound using chemical symbols



chemical reaction - ansprocess in which new substances with new chemical and physical properties are formed



coefficient - ansnumber that shows how many molecules of a substance are involved in a chemical reaction



condensation - anschange from a gas to a liquid



ductile - ansable to be drawn into thin wires



electron - ansparticle that has a negative charge - located in rings outside the nucleus of an atom. You can
figure out the number of electrons by looking at the atomic number of an element.