Nuclear Chemistry
What is the force responsible for holding the nucleus together?
Strong force
How many valence electrons does Aluminum have?
3
What is the chemical formula for sodium chloride?
NaCl
What is the name of the following molecule? CO
carbon monoxide
True or False: Nuclear reactions release significantly LESS energy than chemical reactions.
False
What does an unstable nucleus do to become stable?
Emits radiation/energy
Which of the following, when combined with fluorine, would most likely form an ionic compound?
Chlorine, Phosphorus, Lithium, or Carbon
Lithium
What is the formula for nickel (II) chloride?
NiCl2
What is the name of the following compound?
N2O5
Dinitrogen pentoxide
An ionic bond is between what types of elements?
Metal & Nonmetal
What particle does Astatine-210 (atomic number 85) emit when it decays to Radon-210?
An electron
A covalent bond can only be between what types of elements?
Nonmetals
What is the formula for copper (I) carbonate?
Cu2CO3
What is the name of the following compound?
FeBr3
Iron (III) bromide
What is the chemical formula for potassium sulfite?
K2SO3
When uranium-238 (atomic number 92) decays by emitting an alpha particle, it becomes what?
Thorium-234
What are the correct oxidation numbers for the following ions.
Magnesium, Nitrogen, and Iron(II)
Mg2+ ; N3- ; Fe2+
What is the chemical formula for lead (II) nitrate?
Pb(NO3)2
(NH4)2SO4
Ammonium Sulfate
What is the name of the following compound?
AgNO3
Silver Nitrate
The half-life of Po-214 is 1.4 minutes. If one had 100.0g at the beginning, how many grams would be left after 4.2 minutes has elapsed?
12.5 grams
When a metal reacts with a nonmetal to form an ionic compound the metal will ___(gain/lose)__ electrons to form a __(positive/negative)__ ion.
Lose; positive
What is the chemical formula for ammonium phosphate?
(NH4)3PO4
What is the name of the following compound?
CuSiO3
Copper (II) Silicate
What type of ions have names ending in -ide?