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Definitions

QuestionAnswer
Diatomic Molecules when 2 of the same atoms are combined
Molecular Compound when non-metals combine
Ionic Compounds when metal combines with a non-metal
5 indications a chemical change has occurred 1. new substance has appeared 2. gas or heat given off 3. bubbles of gas are formed 4. a solid material, called a precipitate forms in liquid 5. a new scent can be smelled
What is mass measured in? grams (g)
What is volume measured in? g/cm3 (solid) g/mL (liquid)
Density: definition and what is it measured in? a measure of how much mass is contained in a given unit volume of a substance, g/cm3 (solid) g/mL (liquid)
Ductility: definition the ability to be stretched into wires
Malleability: definition the ability to be hammered or bent into different shapes
Viscosity: definition the degree to which a fluid resists flow
Solubility: definition if something will mix
Hardness: definition how easily a substance is scratched or dented
Taste: definition is it sweet, sour, salty, bitter...etc
Clarity: definition amount of light passing through the object
Luster: definition how a substance reflects light "shininess"
Odour: defintion the smell of it
Texture: definition the appearance of the surface of an object
Colour: definition the tint in the appearance of something
State: definition is the substance a solid, liquid, or gas at room temp.
Created by: mjansen