Which of the following elements has the most mass?
A) hydrogen
B) iron
C) lead
D) uranium
E) all have the same mass
Correct Answer:
Verified
Q22: One neutron added to a helium nucleus
Q23: The number of protons in a neutral
Q24: Which of these atoms has the greatest
Q25: Atomic number refers to the number of
A)protons
Q26: A pair of helium nuclei fused together
Q28: Which of these has the greatest number
Q29: Which of the following is an inert
Q30: If a nitrogen atom and a slightly
Q31: Two protons added to an oxygen nucleus
Q32: A force that determines the chemical properties
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