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Anything that has mass and takes up space.
What is matter?
An element that is a good electrical and heat conductor.
What is a metal?
Can be separated after 2+ substances are combined.
What are Mixtures?
Property that cannot be observed without changing the identity of the substance- (It undergoes changes that transform it into an entirely new substance)
Vertical columns in the Periodic Table of Elements whose elements share similar chemical properties.
What are Groups/ Families?
An element that has some characteristics of metals and some nonmetals.
What is a Metalloid?
Cannot be separated after two+ substances are combined.
What are Pure Substances
Property's characteristics that can be observed or measured without changing the identity of the substance.
What is a Physical Property?
Horizontal columns in the Periodic Table of Elements whose elements' chemical properties change somewhat regularly.
What are Periods?
What is a Nonmetal?
A mixture with a uniform composition.
What is a Homogeneous Mixture?
Changes in a substance that does not involve a change in the identity of the substance.
What is a Physical Change?
A Pure Substance that can be decomposed by ordinary chemical means.
What are Compounds?
Properties include: malleable, ductile, high tensile strength, most are solid at room temperature.
What is a Metal?
A Pure Substance that cannot be decomposed by ordinary chemical means.
What is an Element?
A change in which one+ substances are converted into different substances. (Also called a reaction)
What is a Chemical Reaction?
Any physical property.
What is Ductility, Density, Melting point, Solubility, Malleability, Luster, Conductivity, Boiling Point, Color, Brittle, Insoluble in Water, or Melts at a certain temperature?
Its properties include: Most are gases at room temperature, most that are solids at room temperature are brittle, most are not malleable, etc.
What are Nonmetals?
A mixture with a uniform composition.
What is a Heterogeneous Mixture?
Change of State (e.g. liquid to solid to gas) falls under the category of...
What is a Physical Change?