Chemistry Review Crossword

substance with definite composition (1)
study of carbon-containing compounds (1)
measure of the amount of matter (1)
smallest unit of matter (1)
state of matter with definite shape and volume (1)
testable statement (2)
polyatomic ions containing oxygen (7)
sum of all atomic masses in a formula (7)
Mass of each element in a compound shown as a percent (7)
compound formed from two elements (7)
ion formed from a single atom (7)
valence-shell, electron-pair. repulsion (6)
system of measurements used by scientists all around the world (2)
bonding from attraction between metals and surrounding electrons (6)
gravitational pull of something (2)
rule where atoms must have 8 electrons in each orbital (6)
how close measurements to the correct amount or answer (2)
mass divided by volume (2)
atoms held together by covalent bonds (6)
mass is neither created nor destroyed during reactions (3)
sharing of electron pairs between two atoms (6)
number of protons in each atom of an element (3)
specific isotope of an element (3)
atoms of the same element with different masses (3)
6.022140857 × 10^23 (3)
bonded atoms with a positive or negative charge (5)
Group 17 elements (5)
D-block elements that are metals (5)
group 1 elements (5)
arrangement of elements by their atomic number (5)
a particle of electromagnetic radiation containing a quantum of energy (4)
lowest energy state of an atom (4)
minimum energy that can be lost or gained (4)
emission of electrons from metal when light is shined upon it (4)
distance between corresponding points on adjacent waves (4)