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Phys and chem change

vocab.

QuestionAnswer
A change that occurs without changing the identity of of the substance Physical change
A change that occurs when you change the identity if a substance Chemical change
When two or more substances are combined physically Mixture
When two or more substances are combined chemically and can't be separated by physical means Compound
Parts are mixed evenly throughout Homogeneous Mixture
Parts are uneven throughout Heterogeneous Mixture
Type of mixture where the solute is dissolved/mixed evenly in the solvent Solution
The part of the solution that dissolves Solute
The part of the solution that the solute dissolves in Solvent
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 smoething mass
The elements you start with in a reaction reactant
The elements you end with in a reaction Product
The ability to react with another element or compound Reactivity
The number in front of the molecule Coefficient
The number at the bottom right that tells how many atoms are in the element Subscript
Group 1 a highly reactive group of metals that makes compounds with Group 7 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
Created by: maxondd
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