3. What is a main characteristic of bioelements? select the correct answer a) they are found in low proportions and not in all living beings
b) are the elements that predominate in living beings
c) are necessary to maintain osmotic balance d) Some examples are phosphorous, silver, and gold.

Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.

If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted

Rank substituents in order of their priority when assigning the e or z label to an alkene. i, ch2i , h, ch2ch2cl, f