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Chemistry Test1

Across
Technique used to separate liquids based on their boiling points
Energy of motion
Elements that do not exist alone in nature
The subatomic particle with a + charge
Kilogram is the SI unit of ___
Atomic symbol for aluminum
Temp scale of scientists
Change that will form a precipitate
Chemist that studies carbon containing compounds
Name for element with symbol Au
Atoms with differing amounts of neutrons
John Dalton formulated the ____ theory of matter
A reference to the ration of an object's mass per unit of volume
SI unit of length
Element with a +/- charge
How close a measurement is to the actual value
Name for element with symbol Ca
Protons and neutrons make up the ___ of the atom
Repeatability of a measurement
Amount of space matter takes up
Down
A rise in temperature will result in an ____ in kinetic energy
Atomic symbol for Iron
The particles that an atom is composed are referenced as____
Discovered the nucleus with gold-foil experiment
___ number that tells us how many protons are in an atom of a particular element
Prefix for 1 million
Used to express large or small numbers
An electron is the subatomic particle with a ____ charge
Atomic symbol for silver
Tiniest particles that every living substance is composed of
Electrons ___ the nucleus of an atom
Homogenous part of a system that is in contact with yet physically distinct from the other parts of the system
Represented by the greek letter rho
Group of 2+ atoms linked by chemical bonds
Properties that reference a substance's physical appearance
Set of symbols used to identify a substance
Gravitational force on an object's mass
Atomic symbol for sodium
An atom that has lost electrons
Prefix for 1 millionth