science class vocab.

Question Answer
parts are mixed evenly throughout (same) . Homogeneous mixture:
parts are uneven throughout (different Heterogeneous mixture
type of mixture where the solute is dissolved/mixed evenly in the solvent

4. Solute- the part of the

. Solution
the part of the solution that dissolves Solute
the part of the solution that the solute dissolves in Solvent-
a change that occurs without changing the identity of the substance Physical change
a change that occurs by changing the identity of the substance

8. Mixture- when 2 or more substance

Chemical change
when 2 or more substance are combined physically . Mixture
– when 2 or more substances are combined chemically and can't be separated by physical means. Compound-
smallest unit of matter Atom-
one of the 100 or more units that make up all matter, and found on the Periodic Table Element
how much matter is in some thing . Mass-
the elements and compounds you start with in a reaction/equation . Reactant-
the elements and compounds that you end with in a reaction/equation

Product
the ability to react with another element or compound . Reactivity
the number in front of the molecule . Coefficient
the number to the bottom right of an element that tells how many atoms there are of that element

Subscript
Group 1 a highly reactive group of metals that makes compounds with Group 7 (17) Alkali Metals-
Group 7 (17) a highly reactive group of non-metals that makes compounds with Group 1

. Halogens-
Group 8 (18) a group of non-reactive, non-metals that are all gases at room temperature. Noble Gases

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