Science Crossword

Number of protons in the nucleus of an atom
elements that are good conductors of electricity and heat often shiny and bendable
term for the columms of the periodic table also known as families
1 or 2 letter abbrevation for an element
very center of an atom
negatively charged particle that orbits the center of the atom
particle in the nucleus that has no charge
an electron that is associated with an atom, and that can participate in the formation of a chemical bond;
positively charged particle in the nucleus of the atom
a usually reversible change in the physical properties of a substance, as size or shape
an arrangement of the elements in order of their atomic numbers so that elements with similar properties fall in the same column, group
a pure substance made of only one kind of atom
One substance dissolved into another substance
bond created by sharing of electrons
Anything that has mass or volume
Mixture in which the particles of a material are spread throughout a liquid or gas but are too large to stay mixed without being stirred or shaken
Two or more pure substances that are mixed but not chemically bonded
Substances are evenly spread throughout in a mixture
The change of one or more substances into other substances
A physical property that means the mass per unit of volume of a substance