How many atoms of calcium are indicated in the formula Ca(NO3) 2?
A) 1
B) 2
C) 3
D) 9
Correct Answer:
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Q38: What is the total number of atoms
Q39: Which element forms diatomic molecules?
A)Nitrogen
B)Nickel
C)Boron
D)Iron
Q40: Which element forms diatomic molecules?
A)Sulfur
B)Neon
C)Calcium
D)Chlorine
Q41: Which of the following formulas contains the
Q42: The smallest uncharged individual unit of a
Q44: Which is a molecule of phosphorous?
A)F
B)F2
C)P4
D)Ph
Q45: Which element is malleable,ductile,and a good conductor
Q46: The nitrate group is NO3-1.How many nitrate
Q47: The ultimate particle of water is a(n)
A)atom.
B)molecule.
C)anion.
D)cation.
Q48: Which element is not a gas at
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