Purpose- state the problem
research- find out about the topic
hypothesis- predict the outcome of the problem
expiriment- develop a procedure to test the hypothesis
conclusions-compare the hypothesis t ok the outcome of the experiment
Answer:
Mendeleev placed certain elements not in order of increasing atomic mass so that they could fit into the proper groups (similar elements have similar properties) of his periodic table.
Explanation:
Answer
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S + O₂ = SO₂
1 mole S ------------ 1 mole SO₂
? mole S ----------- 15.0 mole SO₂
S = 15.0 * 1 / 1
= 15 moles of S
hope this helps!
