Elements
Compounds and Mixtures
What the Matter?
Atoms
Terms
100
The Elements are displayed on this chart.
What is the periodic table?
100
The smallest unit of a compound .
What is a molecule?
100
Matter is made up of these.
What is Atoms
100
The center of an atom.
What is a nucleus?
100
The term for the amount of matter?something contains .
What is mass?
200
The atomic number gives us this information.
What is the number of protons ?
200
Needed to create?a compound of 2 or more?atoms .
What is a chemical reaction?
200
These are the three states of Matter
What is gas, liquid, and solid?
200
A positive particle?found in the nucleus .
What is the proton?
200
The amount of space matter takes up .
What is volume.
300
This is the number of known elements.
What is 112?
300
The combination of ?symbols and subscripts?used to show a compound .
What is a formula?
300
Two ways that matter can change
What is physical or chemical change?
300
The negative?particle that orbits?the atom .
What is an electron?
300
A change in the ?appearance only ?of matter .
What is physical change?
400
The smallest unit of an element.
What is an atom?
400
A mixture in which?one substance?dissolves in another .
What is a solution.
400
State of matter where the particles are spread very far apart.
What is gas?
400
The neutral particle found in the nucleus.
What is the neutron?
400
Two or more atoms held together by a chemical bond .
What is a molecule?
500
The symbol for the element Oxygen
What is O?
500
A mixture in which?substances are not?dissolved .
What is suspension?
500
State of matter which has a definite volume but not a definite shape
What is solid?
500
The atom model which?shows orbiting electrons.
What is the electron?cloud model ?
500
A change that forms?a brand new substance?with new properties .
What is Chemical change?
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