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Gr 9 Science

Periodic Table & Review of Mass and Matter

QuestionAnswer
A column in the periodic table ; elements share similar properties element group
A characteristic or description of a substance that may help to identify it is a physical property.
A column in the periodic table ; elements share similar properties element group
An element on the left side of the periodic table is metal
An element on the right side of the periodic table is a non-metal.
A property that is not measured but involvesd the senses is qualitative.
An element that has properties of metals and non metals metalloid
Height, mass, volume, soluability, density have a numerical value and are quantitative
The smallest piece of an element atom
characteristic of a substance when it reacts with another substance and a new one is formed chemical property
a change that involves the creation of a new substance; can be identified by a colour change, bubbles of gas, heat, light, or a precipitate chemical change
the sum of the positive and negative charges of an atom ionic charge
ion with more protons than electrons positively charged ion
ion with more electrons than protons negatively charged ion
a compound that has an ionic charge (e.g. nitrate, sulfate, hydroxide) polyatomic ion
compound formed when positive and negative ions join together; generally a metal and a non-metal ionic compound
a sour substance that dissolves in water, conducts electricity and turns blue litmus red acid
a bitter substance that dissolves in water, conducts electricity, turns red litmus blue, and feels slippery base
an acid and a base react to form an ionic compound (called a salt) and water neutralization reaction
ionic compound formed as a product of a acid/base neutralization reaction salt
a weak base used to neutralize stomach acids antacid
when two or more substance interact, forming new substances chemical reaction
a substance present at the beginning of a chemical reaction reactant
a substance produced by a chemical reaction product
describes a chemical reaction using the names of reactants and products word equation
describes a chemical reaction using the chemical formulas of reactants and products; includes the state that each substance is in chemical equation