atoms and molecules
States of Matter
Periodic Table
Physical or chemical
Formulas and equations
100
Subatomic particles with a positive charge
What is proton
100
The 3 basic states of matter are
What are solids, liquids and gases
100
What gives you the number of protons an atom has when looking at a periodic table
What is the atomic number
100
Melting is an indicator of this type or reaction
What is physical change
100
The number in front of a chemical formula is called
What is coefficient
200
Subatomic particle with no charge
What is a neutron
200
It takes the shape of its container, but it cannot be compressed or stretched
What is a liquid
200
What are the elements called on the right side of the zig- zag line of a periodic table
What are nonmetals
200
The ability of a substance to dissolve is an indicator of this type of reaction
What is physical change
200
The right side of a chemical equation is called
What is product
300
atoms that are too heavy or light because of the number of neutrons in them are called
What is an isotope
300
Particles in this state move at high speeds in all directions
What is a gas
300
What gives you the number of ring (shells) an atom will have when looking at the periodic table
What are the the period #'s on the side of the table
300
A change in color or smell is an indicator of this type or reaction
What is chemical change
300
The chemical formula for water is
What is two hydrogens and one oxygen
400
A substance made of long chains of repeating molecules is
What is a polymer
400
This change allows a liquid to become a solid (don't say physical or chemical)
What is freezing (lower temperature)
400
On the Periodic Table, this group of elements have a full outermost ring with electrons
What are Noble Gases (inert gases)
400
In this reaction the substance in fundamentally changed
What is a chemical reaction
400
The number of atoms found in this formula: 3NaCl
What is 6 atoms
500
In a neutral atom, the number of protons always equal this number
What is the number of electrons
500
When you add heat to a liquid, the particles move faster and that changes this (don't say gas)
What is temperature
500
A property of metals that allow for good heat movement is scientifically called
What is thermal conductivity
500
In this reaction the original material can be recovered
What is a physicla change
500
Name the law that states: matter cannot be created or destroyed
What is Conservation of Matter
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