Chemistry
Elements
Atoms
Periodic Table
Compounds
100
What are the three states of matter?
Solid, Liquid, Gas
100
Can not be broken down into anything smaller
element
100
What are the three sub-atomic particles
proton, neutron, electron
100
What element has one proton and one electon and one energy level
Hydrogen
100
Two or more elements chemically combined
Compound
200
Written with an upcase letter and if there is more than one letter the other letters are lower case
Chemical Symbol
200
What are the charges of each sub atomic particle
Proton (+) Electon (-) Neutron (neutral)
200
What element has a symbol of C
Carbon
200
Written to show what atoms combine to make the molecules of compounds
Formula
300
Two or more substances that are combined?
Mixture
300
The number of protons and the number of electrons are equal to this number
atomic number
300
What sub-atomic particles are located in the core of the atom (nucleus)
Protons and neutrons
300
What element has 12 electrons and 12 protons? Name the element and the symbol.
Magnesium - Mg
300
Tell me the formula for Nitrogen Dioxide
NO2
400
Mixture that appears to be one substance
Solution
400
This number indicates the mass of an atom of that element
Atomic Mass
400
Where are electons located in the atom?
Energy levels orbiting the nucleus
400
What element has 3 energy levels and 16 electons? Name the element and the symbol.
Sulfur - S
400
What and how many atoms make up the molecule Ammonia - NH3
2 Nitrogen Atoms 3 Hydrogen Atoms
500
A new substance is formed and energy is released
Chemical Change
500
Tell me how to determine the number of neutrons in an atom of a particular element
Mass-Number=neutron
500
Create a diagram of a Sodium atom on the board using the magnets
11 p 12 n 11 e
500
Which element has 6 energy levels and 79 protons? Name the element and the symbol.
Au - gold
500
What and how many atoms make up the molecule Citric Acid - C6H8O7
6 Carbon 8 Hydrogen 7 Oxygen
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