Multiple Choice
A molecule of water contains hydrogen and oxygen in a 1:8 ratio by mass.This is a statement of ________.
A) the law of multiple proportions
B) the law of constant composition
C) the law of conservation of mass
D) the law of conservation of energy
E) none of the above
Correct Answer:
Verified
Correct Answer:
Verified
Q123: Which metal does not form cations of
Q124: Which element forms an ion with the
Q125: Which of the following elements is a
Q126: In the periodic table,the elements touching the
Q127: The correct name for Na<sub>3</sub>N is sodium
Q129: An atom of the most common isotope
Q130: What is the correct formula for ammonium
Q131: An atom of 13<sub>C contains _ protons.</sub><br>A)6<br>B)19<br>C)7<br>D)9<br>E)13
Q132: The correct name of the compound Na<sub>3</sub>N
Q133: The element calcium is in a group