Answer:
Explanation:
Our 
sample yielded 1g of 
and 16g of 
, but our unknown sample yielded 2 times as much for the same amount of .
What does this mean? that the H:O proportion for the unknown sample is twice the H:O proportion for the sample.
What is the H:O proportion for the sample? As we can see from its formula, it's 1:1, therefore the proportion for the unknown formula must be 2:1.
That means, two H atoms for every O atom. We could write that as: 
and you should recognize that formula, for it is one of the most common compounds on earth, Water.
Answer:
Sulfur
Explanation:
Sulfur has 16 valence electrons, as shown in the diagram.
You have to be romantic with her and give her presents and always say that she is right.
Answer:
FALSE.
Explanation:
The right answer is false. There are three different groups of phylum for worms.
Hope this helped!
