The charge on the polytomic ion cyanide is -1.
unit conversions give an equal amount but with other units
The stick model method.
Forces between electron pairs push the atoms apart.
The type of bond is determined by the difference in electrongativity of atoms
They identify what phase the substances are in
-Apex
Decomposition reaction
Answer this question… Which of the following is the best definition of a physical change?
Two categories of chemicals are based on carbon ?
For Apex: 2H+ + SO42- + Ca2+ +2I- -> CaSO4 + 2H+ + 2I-
CaCO3 -> CaO + CO2
Dipole-dipole forces play a significant role when a molecule is polar.
The products of the hydrocarbon combustion are water and carbon dioxide.
In every body cell -apex
Phase change - apex