Science Ch2 vocab Crossword

atom – tiny building blocks of matter, made up of protons, neutrons, and
atomic number – the number of protons in an
compound – atoms of more than one type of element that are chemically bonded
density – measurement of the mass of an object divided by its
electron – particle with a negative
element - substance that is only made up of one type of
heterogeneous mixture – a mixture which is not mixed evenly and each component retains its own
homogeneous mixture – a mixture which is evenly mixed
ion – electrically-charged atom whose charge results from an atom losing or gaining an
isotope – atoms of the same element that have different numbers of
mass number – the number of protons plus the number of neutrons in an
matter – everything that has mass and takes up
mixture: composed of two or more substances that are not chemically
molecule: a group of atoms connected by covalent
neutron: particle without an electrical
proton: particle that has a positive electric
solution: a mixture that is evenly mixed throughout; also known as a homogeneous