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Vocabulary 1,2,3

Quarter 1 Chemical Interactions

QuestionAnswer
Using senses to gather information Observation
A conclusion made from observations Inference
A testable explanation that describes the structure of atoms Atomic Theory
Pure substance made of two or more different atoms bonded together Compound
the smallest particle of an element Atom
Particle in the nucleus with a positive (+) charge Proton
Center of the atom. Contains protons and neutrons Nucleus
Particle with negative (-) charge Electron
Particle in the nucleus with no charge Neutron
Pure substance made of only one type of atom Element
anything that has mass or takes up space Matter
Neutrons are calculated by subtracting protons from Atomic mass
A kilometer is equal to ________ meters 1000 meters
A centimeter is equal to _______ millimeters 10 millimeters
A meter is equal to__________ centimeters 100 centimeters
Mass per unit of volume is a measure of Density
Base metric unit for measuring mass Gram
Base metric unit for measuring length Meter
Base metric unit for measuring volume Liter
Water, salt and glucose are examples of Compounds
Carbon, hydrogen and oxygen are examples of Elements
Group of symbols showing the ratio of elements in a compound Formula
Created by: cgillmore
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