Which of the following is NOT a compound?
A) air
B) ammonia
C) water
D) salt
E) all are compounds
Correct Answer:
Verified
Q52: An ion and an isotope are
A)very much
Q53: Compared to the mass of a hydrogen
Q54: The electrical force is stronger between the
Q55: Compared to the diameter of a zirconium
Q56: Which of the following statements is true?
A)a
Q58: Which of the following is NOT a
Q59: How many protons should be added to
Q60: Which contains more atoms?
A)1 kg of hydrogen
B)1
Q61: What is the total number of individual
Q62: How many atoms are in this carbohydrate
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