Chemistry Crossword

The elements in group 8A of the periodic table. Ch.6
When elements are arranged in order of increasing atomic number, there is a periodic repetition of their physical and chemical properties. Ch.6
The no metals of group 7A. Ch.6
Generally has properties that are similar to those of metals and nonmetals. Ch.6
Poor conductors of heat and electric current. Ch.6
Composed of more than one atom. Ch.9
Consist of a single atom with a positive or negative charge resulting from the loss or gain of one or more valence electrons. Ch.9
Composed of two elements and can be either ionic or molecular. Ch.9
Small whole numbers that are placed in front of the formulas in an equation in order to balance it. Ch.11
A substance that speeds up the reaction but is not used up in the reaction. Ch.11
An ion that appears on both side of an equation and is not directly involved in the reaction. Ch.11
H2O Ch.9
HCl Ch.9
HI Ch.9
HClO4 Ch.9
HNO3 Ch.9
One Ch.9
Seven Ch.9
Ten Ch.9
Four Ch.9
Five Ch.9
Each side of the equation has the same number of atoms of each element and mass is conserved. Ch.11
A representation of a chemical reaction; the formulas of the reactants are connected by an arrow with the formulas of the product. Ch.11
The mass of a mole of an element. Ch.10
Mass of element divided by mass of compound multiplied by 100. Ch.10
Shows the kinds and numbers of atoms in the smallest representative unit of a substance. Ch.7
(Mass)(%)+(mass)(%)/100