Physical Properties
Reactions
Periodic Table
Atoms
pH
100
Does melting point change depending on the mass of a substance
No
100
When you get a new substance at the end of a reaction that is called
A chemical reaction
100
What way do the periods run on the periodic table
Horizontal
100
Smallest unit of an element
atom
100
What is the pH of a netrual substance
7
200
What is the property that metals have that causes electricity to pass through them
conductivity
200
You leave a bike outside and it rusts, what kind of reaction is this
Chemical
200
What are the vertical columns called on the period table
families or groups
200
Most of the mass in the atom is found where
The nucleus
200
What is it called when the pH is 0-6
acid
300
What is matter
Something that has mass and takes up space
300
You react 10g of Na with 5g of Cl, how much NaCl does it make
15g
300
The three types of elements are metals, metalloids and _________________
non-metals
300
What sub atomic particle is found around the nucleus of the atom
electrons
300
What is it when the pH is 8-14
Base
400
If the boiling point of 10g of water is 100 degrees celsius, what is the boiling point of 20g of water
100 degrees celsius
400
When water boils what kind of change is this
Physical change
400
How is the modern periodic tabel organized
atomic number
400
What particles make up the nucleus of the atom
Protons and neutrons
400
What happens when acids and bases come in contact with one another
They neutralize each other
500
What physical property helps idenify a substance
melting point, boiling point OR density
500
What can speed up a chemical reaction
Heat, pressure or concentration of substance
500
What type of elements are found here
metalloids
500
How many neutrons does Lithium have
4
500
Bleach has a pH of 12.3 what is it
Base