How many protons are in the isotope with the symbol 
?
A) 17
B) 18
C) 35.45
D) 37
Correct Answer:
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Q3: Which of the following properly represents the
Q5: Which atom has the smallest atomic radius?
A)K
B)Ga
C)Br
D)Rb
Q11: Which element is a metal?
A)Li
B)Si
C)Cl
D)Ar
E)More than one
Q14: What is the mass number of the
Q15: What is the atomic number of the
Q15: Which element is a noble gas?
A)H
B)Ne
C)Pr
D)Ra
E)More than
Q17: Which element is a transition metal in
Q17: The chemical reactivity of an element is
Q20: The active ingredient in the drug Fosamax
Q32: The elements in a column of the
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