The most abundant element in the earth's crust by mass is:
A) Hydrogen
B) Carbon
C) Oxygen
D) Silicon
E) Nitrogen
Correct Answer:
Verified
Q1: Which of these is the correct chemical
Q8: A certain ion contains 47 protons and
Q8: How many electrons are there in
Q9: Which of these statements about atoms is
Q10: Nonmetals tend to _ electrons to form
Q11: When an oxygen atom gains two electrons,
Q15: Which statement about electrons is incorrect ?
A)Electrons
Q17: Metals tend to _ electrons to form
Q18: Determine the correct number of protons and
Q19: The number of protons in a neutral
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