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The Chemistry of Life

Across
Attraction between molecules of different substances
Compound that measures above 7 on the pH scale
Atoms of the same element that differ in the number of neutrons they contain
Formed when one or more elections are transferred from one atom to another
Basic unit of matter
When atoms share electrons
Macromolecues no soluble in water (fats, oils, waxes)
When substance is evenly dispersed in a mixture
Speeds up the rate of a chemical rxn without being consumed by the rxn
Substance formed by the chemical combination of two or more elements in definite proportions
Biological catalysts that speed up chemical rxns that take place in cells
Compound that releases OH- ions
Pure substance that consists entirely of one type of atom
Macromolecules needed by the body for growth and repair
Down
The substance that does the dissolving
Positively or negatively charged atoms
Compounds that are the building blocks of proteins
large molecules (sugar, starch and cellulose) used for structure and to store and release energy
Compound that releases H+ ions
Elements or compounds producted by a chemical rxn
Negatively charded particle surrounding nucleus of atom
Structure made from atoms form covalent bonds
Elements or compounds that engage in a chemical rxn
Attraction between molecues of the same substance
Center of the atom made of protons and nutrons
Compound that measures below 7 on the pH scale
The substance that is dissolved