Chemistry Crossword

The study of the composition, structure, and properties of matter and the changes it undergoes
any substance that has a definite composition
a measure of the amount of matter
anything that has mass and takes up space
the smallest unit of an element that maintains the properties of that element
a pure substance made of only one kind of atom
testable statement
science is more than a physical object: it is often an explanation of how phenomena occur and how data or events are related
something that has magnitude, size, and amount
the amount of space occupied by an object
a measurement consist of all the digits known with certainty plus one final digit
an element is the number of protons in the nucleus of each atom of that element
atoms of the same element that have different masses
a general term for any isotope of any element
the amount of a substance that contains as many particles as there are atoms in exactly 12 g of carbon-12
defined as the number of waves that pass a given point in a specific time, usually one second
the distance between corresponding points on adjacent waves
the minimum quantity of energy that can be lost or gained by an atom
the lowest energy state of an atom
a state in which an atom has a higher potential energy than has in its ground state
a particle pf electromagnetic radiation having zero mass and carrying a quantum of energy
an arrangement of the elements in order of their atomic numbers so that elements with similar properties fall in the same column, group
the elements of Group 17
a broad generalization that explains a body of facts or phenomena
a short range force that holds the nuclear particles together
a positive ion
a negative ion
an atom or group of bonded atoms that has a positive or negative charge
the formation of ions from solute molecules by the action of the solvent
spontaneous mixing of the particles of two substances caused by their random motion
a substance that can flow and therefore take shape of its container
the force per unit area on a surface
the SI unit or force
a unit of pressure based on an absolute scale
a process by which gas particles pass through a tiny opening
the physical change of a solid to a liquid by the addition of heat
the physical change from a liquid to a solid by the removal of heat
the conversion of liquid to vapor
any part of a system that has uniform composition and properties
the substance dissolved in a solution
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