Naming Compounds
NaCl
Sodium Chloide / salt
C6H12O6
24
How can water striders walk on water?
Surface tension / hydrogen bonds
What is a molecule?
2 or more atoms
A 48g rock has a volume of 8mL. What is the density of the rock?
6 g/mL
NaOH
Sodium Hydroxide
Zn(NO3)2
9
What is it called when water sticks to itself?
Cohesion
What is atomic radius?
The distance from the nucleus and the atoms outer orbital
A cube is 3m on each side and it weighs 81kg. What is it's density?
3 kg/m3
N2O4
Dinitrogen Tetraoxide
(NH4)2SO4
15
The reason lakes don't dry up during the summer.
High heat of vaporization
What is a covalent bond?
A chemical bond made by the sharing of electrons
The dimensions of a rectangular metal bar are 6cm x 8cm x 9cm. If the bar has a mass of 4kg, what is the density of the bar in g/cm3
9.26 g/cm3
Sr(NO3)2
Stronium Nitrate
Al(CH3CO2)2
15
Why do drinks have a little air on them?
The water expands when its hot
What is a subatomic particle?
A particle smaller than an atom
A silver spoons gets dropped into a gallon of milk and 9.3mL of milk spills out. If the spoon weighs 97g, what is the density of the spoon?
10.43 g/mL
VPO4
Vanadium (III) Phosphate
2In4(P207)3 (Double Jeopardy).
62
How do plants drink water?
Capillary action
What is electronegativity?
Matters attraction to electrons
The density of diamond is 3.51 g/mL and 1 carat = 0.2g. If an 8.5 carrot diamond is added to a cylinder containing 54.3mL of water, to what volume level will the water in the cylinder rise? (Double Jeopardy).
54.78 mL