Science Study Crossword

found in the center of the atom, contains protons and neutrons
is a positively charged particle
is an uncharged particle or “neutral” particle
negatively charged particles
represents the probability an electron will be found in a particular location at any given time
the number of protons in an atom's nucleus
atoms of the same element that have a different number of neutrons
atomic mass unit
is formed when an atom gains or loses one or more electrons
when an atom gains an electron
when an atom loses an electron
each horizontal row of the periodic table
each vertical column in the periodic table
the process in which unstable atoms become more stable by emitting particles and radiation
an element that tends to be shiny, easily shaped, and a good conductor of electricity and heat
an element that is not a metal and has properties generally opposite to those of a metal
an element that had properties of both metals and nonmetals
energy in the form of radiation (light) and particles (protons)
group 1, VERY reactive with group 17
group 2, reactive with group 17, low melting points
groups 3-12, good conductors of heat and electricity, malleable, shiny, useful in industry
group 17, reactive with groups 1 and 2, antibacterials
very stable, colorless and odorless
elements 57-71, rare earth metals
elements 89-103, very radioactive