Atoms & Molecules
Elements, Compounds & Mixtures
More Matter
Periodic Table
Periodic Table and Matter
100
A particle made up os two or more atoms bonded together
What is molecule?
100
A substance in which there is only one type of particle.
What is a pure substance?
100
The change of state from a gas to a liquid.
What is condensation?
100
Elements found on the left side of the Periodic Table; they are shiny, good conductors of heat and electricity.
What is a metal?
100
Matter cannot be created or destroyed; it can only change forms.
What is the Law of Conservation of Mass?
200
The smallest particle of matter that still retains the properties of its element.
What is an atom?
200
A pure substance composed of two or more elements that are chemically combined.
What is a compound?
200
The temperature a liquid must reach to become a gas.
What is boiling point?
200
Elements that have some properties of both metals and nonmetals.
What is a metalloid?
200
Elements in the periodic table are arranged in order by an increasing ____________ ____________.
What is atomic number?
300
The particles of an atom which are found in the nucleus.
What is a neutron and a proton?
300
A pure substance that cannot be separated into simpler substances by physical or chemical means.
What is an element?
300
The change of state from a liquid to a gas.
What is vaporization
300
A row of elements in the Periodic Table is called this.
What is a period?
300
A mixture that looks the same throughout.
What is homogeneous?
400
The particles with a negative charge and found in paths around the nucleus.
What is an electron?
400
A combination of two or more substances that are not chemically combined.
What is a mixture?
400
The measure of the gravitational force exerted on an object.
What is weight?
400
A column of elements is called this?
What is a family or group?
400
A mixture that does not look the same throughout; the different substances can be seen.
What is heterogeneous?
500
The number of protons in an atom is referred to as the element's ____________.
What is atomic number?
500
A mixture that appears to be a single substance where one substance has been dissolved in another.
What is solution?
500
The change of state from a solid directly into a gas.
What is sublimation?
500
Those elements found on the right side of the Periodic Table that are not good conductors of heat or electricity.
What is nonmetals?
500
The particles in a ___________ move about freely and are able to overcome their attraction to each other.
What is a gas?
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