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CHEMICAL & PHYSICAL PROPERTIES

08/14/23
STUDENT NAME______________________
CLASS PERIOD _______________________
Across
___change is when 1 or more substances react to form new substances with different chemical & physical properties.
The_____ make-up is not changing when these properties are observed!
Not ___ throughout.
Mixtures that are uniform throughout.
Largest mass of atom is found in the ___.
___have a unique set of chemical & physical properties
Positive charge.
Flammable, ___, and burnable are examples of chemical properties.
______, odor, texture, taste, freezing point, melting point, density, mass, hardness…
Conservation of Mass: 10 g reactants ___10 g product.
An ____ is a pure substances, that can't be broken down.
___, freezing are examples of changes of state, physical changes.
Down
Chemical Properties indicate how a substance reacts with other substances.
Cutting, ___, pulverizing are examples of physical changes.
Physical ___ is changes in appearance w/o change in composition.
In a chemical reaction, the products are located on the __.
If you start with 15 grams of reactants, you produce 15 grams of ___ (in a chemical reaction).
Matter is not created nor destroyed, this is the Law of ___ of Mass.
Chemical reactions can be described through word equations or __equations.
Neutral charge
In a chemical reaction, the reactants are located on the __.
Heterogeneous
Negative charge
Examples of chemical reactions are rusting, burning, ___, digestion, respiration.
____ properties can be measured or observed without changing the identity (or composition) of a substance.
Chemical properties are observed when the substance undergoes a chemical ___.