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22 Cards in this Set

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PH color yellow green ph7
Neutral
a substance that is one color in the presence of an acid and another color in the presence of a base
Indicator
any compound that has a bitter taste, turns ph paper green to blue, number 8-12 and reacts with an acid to form salt and water
base
any compound that has a sour taste, turns ph paper red to orange, number 1 to 9, and combines with a base to form salt and water.
acid
a discription of a chemical compound using symbols and numbers
formula
elements chemically combined to form a new substance
compound
Elements in a horizontal row have the same number of electron energy levels
Period
the elements in a vertical column on the Periodic Table share similar properties
Group
the Universal abbreviation for an element
Symbol
usually a decimal number, found below the symbol on the periodic table. The mass of the protons and neutrons of an element
Atomic Mass
the number of protons in the nucleus of an atom. Found in the top right corner of an element's box on the periodic table
Atomic number
number of protons and neutrons in the nucleus of an atom. Determined by roundind the atomic mass to the nearest whole number
Mass number
the central core that contains protons and neutrons
Nucleus
the negatively charged particle that orbits the nucleus of an atom
Electron
the particle with no charge and is found in the nucleus of an atom
neutron
the particle that has a posotive charge and is found in the nucleus of an atom
protons
mixture formed when one substance completely dissolves into another
solution
ew substance that results from a chemical reaction
product
a substance that is part of a chemical reaction and that is present when the reactin begins
Reactant
any form of matter that contains more than one substance and can be separated physically
Mixture
material (liquid) that dissolves
Solvent
goo gone is an example of this
a substance, such as water, salt, or sugar, produced by or used in chemical reactions
Chemical