Which is the most abundant element in the universe?
A) Oxygen
B) Hydrogen
C) Water
D) Silicon
Correct Answer:
Verified
Q63: Which is best classified as a semiconductor?
A)Diamond
B)Silicon
C)Lead
D)Sodium
Q64: Which is an alkali metal?
A)Calcium
B)Sodium
C)Silicon
D)Fluorine
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
Q69: What is the name of the element
Q70: How many hydrogen atoms are in the
Q71: Which element is most similar to Calcium?
A)Silicon
B)Potassium
C)Scandium
D)Strontium
Q72: What is the symbol of the element
Q73: Which is a transition element?
A)Magnesium
B)Potassium
C)Manganese
D)Silicon
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