Which of the following combinations represents only alkali metals?
I. Li
II. Ba
III. Rb
IV. Ca
A) I + II
B) III + IV
C) I + IIII
D) II + IV
Correct Answer:
Verified
Q3: Which of the following represents a homogeneous
Q4: All the different kinds of substances that
Q5: Which of the following is an element?
A)Carbon
Q6: Which of the following is a homogeneous
Q7: What is the correct element symbol for
Q9: Which of the following combinations represents only
Q10: Which of the following is a metal?
A)Chlorine
B)Silicon
C)Magnesium
D)Hydrogen
Q11: Which of the following is a metal?
A)Boron
B)Aluminium
C)Germanium
D)Phosphorus
Q12: Which of the following is a nonmetal?
A)Chlorine
B)Magnesium
C)Sodium
D)Aluminum
Q13: Which of the following is a metalloid?
A)Bromine
B)Silicon
C)Iron
D)Copper
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