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100
Subatomic particles
What is protons, neutrons, electrons
100
negatively charged particle
What is electron
100
particles that form nucleus
What is protons and neutrons
100
Substance that consists of only one kind of atoms
What is element
100
Atoms of the same element with different number of neutrons
What is isotopes
200
Substance formed by chemical combinations of two or more elements
What is compound
200
positively or negatively charged atom
What is ion
200
Bond formed by transfer of electrons
What is ionic bond
200
Bond formed by sharing of electrons
What is covalent bond
200
attraction between molecules of the same substance
What is cohesion
300
Attraction between molecules of different substances
What is adhesion
300
material composed of two or more elements or compounds physically combined
What is mixture
300
substance being dissolved
What is solute solute
300
substance in which solute dissolves
What is solvent
300
scale to indicate concentration of H+ ions in the solution
What is pH scale
400
Compound that forms H+ ions in the solution
What is acid
400
Substance that produces OH- ions in the solution
What is base
400
Process by which macromolecules are formed
What is polymerization
400
smaller units that join together to build polymers
What is monomers
400
Compound made up of carbon, hydrogen and oxygen. Source of energy and serve structural purposes in plants
What is carbohydrates
500
Single sugar molecules
What is monosacharide
500
Substance made of glycerol and fatty acids, serve to store energy and as a part of biological membranes (oils, fats, waxes)
What is lipids
500
Polymers assembled of individual monomers called nucleotides
What is nucleic acids
500
Polymers of amino acids, that control rates of reactions, build muscles and bones, etc
What is proteins
500
Substance that speeds up the rate of biological reactions. Biological catalysts.
What is enzymes