The molecular formula for dinitrogen pentoxide is _____.
A) N2O5
B) (NO5) 2
C) 2NO5
D) N2P5O
Correct Answer:
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Q22: Consider 235U. How many neutrons are present
Q34: The molecular formula for rubidium chloride is
Q35: How many neutrons are present in
Q35: The systematic (IUPAC) name of MgI2 is:
A)
Q36: CaCl2 is an example of a(n):
A) covalent
Q37: The molecular formula for iron(II)bromide is _.
A)FeBr3
B)FeBr2
C)I2Br2
D)IBr3
Q40: How many electrons are present in 40Ca2+?
A)40
B)38
C)20
D)18
Q41: When electrons are shared between pairs of
Q43: The atomic mass of an atom is
Q43: The ratio of isotopes for a given
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