The names of the elements whose symbols are Si,P,Mn,and S are,respectively,
A) silicon,phosphorus,manganese,and sulfur.
B) silicon,potassium,magnesium,and sulfur.
C) silver,phosphorus,magnesium,and sodium.
D) silver,potassium,manganese,and sodium.
E) silicon,potassium,manganese,and sulfur.
Correct Answer:
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Q3: Which of the following conclusions regarding Rutherford's
Q4: Who discovered the electron?
A)Bohr
B)de Broglie
C)Rutherford
D)Heisenberg
E)Thomson
Q5: Which one of the following lists gives
Q6: Cathode rays are
A)anions.
B)protons.
C)cations.
D)positrons.
E)electrons.
Q7: A series of silicon-hydrogen compounds with the
Q9: If the Thomson model of the atom
Q10: Which of the following lists gives the
Q11: A subatomic particle is
A)a piece of an
Q12: Who discovered the nucleus of an atom?
A)Thomson
B)de
Q13: Which of the following is the atomic
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