Why do chemists use the Lewis symbols to represent chlorine and sodium rather than drawing the electron diagrams of each element before and after the reaction?
A) Lewis symbols are easier to use.
B) Lewis symbols are more scientific.
C) Lewis symbols are more accurate.
D) Lewis symbols are more abstract.
Question 2
When doing a risk-benefit analysis and determining DQ, which situation is often the most difficult to evaluate from both an individual and societal perspective?
A) small benefit and high risk
B) large benefit and high risk
C) large benefit and low risk
D) All are equally difficult to evaluate.
Although average brain size increases gradually though time in H. erectus, individuals with small br
Formation of sodium chloride ions.
Common Abbreviations and Symbols Used by Massage Therapists Cont
Common Abbreviations and Symbols Used by Massage Therapists Cont
Some obesity genes in the human genome. The green triangles represent single genes in which obesity
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