Atoms
The basic unit of matter
atom
A substance formed by the chemical combination of two or more elements in definite proportions
Chemical Compound
Attraction between molecules of the same substance
Cohesion
A material composed of two or more elements or compounds that are physically mixed together but not chemically combined
Mixture
A scale that indicates how acidic a solution is
pH scale
positively charged particles
protons
positive and negative charged atoms
ions
This helps insects float or walk on water
Surface Tension
The substance being dissolved
solute
Bases
a particle with no charge
neutron
formed when one or more electrons are transferred from one atom to another
ionic bonds
adhesion
The substance in which a solute dissolves
solvent
A compound that forms H+ ions in a solution
Acids
negatively charged particles
electrons
molecules
The attraction between a hydrogen atom with a partial positive charge and another atom with a partial negative charge
hydrogen bond
When ions gradually become dispersed in water forming a type of mixture
Solution
Weak acids of bases that react with strong acids or bases to prevent sudden changes in pH
Buffers
the center of the atom
nucleus
covalent bond
The amount of heat energy required to increase water's temperature relatively high.
Heat Capacity
Mixtures of water and non-dissolved materials
suspensions
What is the range of the pH scale.
0-14