Which is an alkali metal?
A) Calcium
B) Sodium
C) Silicon
D) Fluorine
Correct Answer:
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Q59: Which is not a diatomic gas?
A)Nitrogen
B)Oxygen
C)Chlorine
D)Bromine
Q60: Which element is brittle and a poor
Q61: Which element is from a representative group?
A)Mn
B)Co
C)V
D)S
Q62: Which is not a diatomic gas?
A)F2
B)N2
C)I2
D)Cl2
Q63: Which is best classified as a semiconductor?
A)Diamond
B)Silicon
C)Lead
D)Sodium
Q65: Which is an alkaline earth metal?
A)Hydrogen
B)Magnesium
C)Manganese
D)Iodine
Q66: What is the symbol of the element
Q67: Which is a noble gas?
A)Oxygen
B)Iron
C)Nitrogen
D)Neon
Q68: Which is the most abundant element in
Q69: What is the name of the element
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