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Ch2.1 &2.3 Review

QuestionAnswer
What is anything that has mass and takes up space? matter
What is the study of the properties of matter and how matter changes? Chemistry
What is a single kind of matter that is pure? substance or solution substance
Name 2 properties of matter Physical and Chemical properties
This property can be observed without changing it into a new substance. Which property is it? Physical Property
This property describes a substance's ability to change into another substance. Which property is it? Chemical Property
What is the smallest possible piece of matter? atom
what do we call all the different kinds of atoms, or pure substances formed when the same kind of atoms combine. elements
What is formed when 2 or more atoms (elements) combine? molecule
What is formed when 2 or more DIFFERENT elements combine? compound
What do we call the attraction between 2 or more atoms that cause them to combine? chemical bond
Which type of mixture shows the different parts that make it up? HETEROGENEOUS
which type of mixture is so evenly mixed that you can't see the individual parts? HOMOGENEOUS
Name at least 3 ways you can separate mixtures 1. evaporation 2. filtering 3. distillation (boiling) 4. magnet
What kind of change does not change the substance only the form or appearance of the substance? Physical Change
What kind of change produces new substances with different properties than the original substances? Chemical Change
The fact that matter is not created or destroyed is the Law of what? Conservation of Mass
What is energy? the ability to do work?
A change in which energy is absorbed or taken in is endothermic or exothermic? endothermic
A change in which energy is released is endothermic or exothermic? exothermic
Is melting of ice endothermic or exothermic? endothermic...
Is the burning of a candle endothermic or exothermic? exothermic
List 4 types of Chemical changes. oxidation, electrolysis, combustion, tarnishing
Created by: toobizzyst