Atoms+electron configuration
What is the center of an atom called?
Nucleus
What is the formula for magnesium sulfate?
MgSO4
On the mole highway, how do you go from moles to grams?
multiply by molar mass
what is the difference between a chemical reaction and a physical reaction?
A physical reaction is something that changes the matter. A chemical reaction is when the kind of matter changes and at least one new substance is created.
What type of force holds N2 together?
London forces
What is the notation for the element Si?
1s^2 2s^2 2p^6 3s^2 3p^2
Balance the equation CO+O2--->CO2
2CO+O2-->2CO2
What is the main way of finding the molecular geometry of an element?
One of the easiest ways is the yellow dot structure.
What Ph is water?
7
Are two atoms of the same element identical?
No, they can be different if the electrons are in different states.
What is the correct formula for Iron(II)Phosphate?
Fe3(PO4)2
what are the most harmful rays?
Gamma rays
A solution that contains as much solute as can be dissolved under existing conditions is?
saturated
Where do acids belong on the Ph scale? where do bases?
Acids are numbers 1-6 and bases are 8-14
What is the name for NH4NO3?
Ammonium nitrate
What is one of the 4 types of nuclear reactions?
Fission, Fusion, Nuclear decay, and transmutation
Gases are most soluble in liquids at?
low temperature and high pressure
is bleach a strong base or acid?
Bleach is a strong base
When 1g of solid NaOH(H=-44.51kj/mol)dissolves in 10 ml of water, how much heat is released?
1.11Kj
How many atoms are in 5 moles of silver
3.01x10^24 atoms