Elements
Silver
What is Ag?
Number of protons in an atoms of an element
What is atomic number?
O2Cl5
What is the formula for dioxygen pentachloride?
Matter cannot be created nor destroyed
Law of Conservation of matter/mass
Homogenous mixtures where you cannot see the different parts
What are solutions?
Chlorine
What is Cl?
Number of protons and neutrons in an atom
What is mass number?
BeF
What is the formula for Beryllium fluoride?
Reactants
What are substances that go into the reaction
Solutions has the maximum amount of solute dissolved in it
What is saturated?
What is P?
Positive
What is the charge on a proton?
NH3
What is the formula for ammonia?
Products
What are new substances formed in a chemical reaction?
Substance that conducts an electric current in a solution
What is an electrolyte?
Tin
What is Sn?
When substances collide they involve only their ____.
What are valence electrons?
Number of oxygen
6Fe(NO3)2
36
One compound breaks down into 2 simpler substances
What is decomposition?
Repeatability of a measurement
What is precision?
Lead
What is Pb?
Compound containing 2 elements
What is a binary compound?
Diatomic molecules
hydrogen, nitrogen, oxygen, fluorine, chlorine, bromine, iodine
Heat released, color change, odor, gas released, precipitate formed
What are signs of a chemical reaction?
3 things that increase rate of dissolving
These increase temerature, stir (aggitate), increase the surface area (crush) can increase the rate of dissolving.