General Science II - Unit 3: Structure of Matter (Part 2) - Quiz 4: Salts
How many atoms are in 2 AI3O2?
10
How many atoms are in 2 Fe?
2
How many atoms are in O2?
2
How many atoms are in 5 C?
5
How many atoms are in 4 O2?
8
spontaneous combustion
a fire started without any help
endothermic
a reaction which takes in energy
hard water
contains mineral salts
When an acid and a base are mixed, the excess ions: increase decrease neutralize each other combine to form water
decrease, neutralize each other, combine to form water
A change in temperature causes a change in mass true or false
false
The movement of charged particles cannot pass through an electrolyte to produce an electric current true or false
false
sun
fueled by fusion
Electrolytes are able to conduct electricity because they contain many:
ions
gamma rays
most dangerous radiation
Acids and bases react with each other in a chemical reaction called : contraction fission neutralization fusion
neutralization
plasma phase
nuclei and free electrons
salt
product of acid plus base
slow oxidation
rusting
If water is evaporated after a neutralization reaction, what remains? salt base acid methyl
salt
reactants
substances united in a reaction
A change in temperature causes a change in density
true
All matter has mass and takes up space true or false
true
Most salts are not healthy for human consumption. true or false
true
New substances are produced in a chemical change true or false
true
The heat vaporization of water is one of the highest known true or false
true
