Chemistry Crossword

The smallest particle of an element that retains its identity in a chemical reaction
atoms of the same element that have the same atomic number but different atomic masses
In forming compounds atoms tend to achieve the electron configuration of a noble gas
The minimum energy that colliding particles must have in order to react
The electrostatic forces that hold ions together in ionic compounds
A chemical change involving an exchange of positive ions between two compounds
A neutral group of atoms joined together by covalent bonds
Lists metals in order of decreasing reactivity
Small whole numbers that are placed in front of the formulas in an equation in order to balance it
Subatomic particles with no charge but with a mass nearly equal to that of a proton
A substance that interferes with the action of a catalyst
Negatively charged subatomic particle
Positively charged subatomic particle
A substance that speeds up the reaction but is not used up in the reaction
The amount of energy required to move an electron from one energy level to another
In which each side of the equation has the same number of atoms of each element and mass is conserverd
A compound composed of cations and anions
Atoms, ions, and molecules can react to form products when they collide if the particles have enough kinetic energy
The fixed energies an electron can have
A measure of how much something changes within a specified amount of time