Ap Biology notes.

Artem Ilyayev Ap Bio 1) An instalment is to a(n) ___________ as an organ is to a(n) _______________ settlement - b - raise; organism 2) In the term specify element, the modifier trace means Answer - a - the element is required in very sm tout ensemble amounts. 3) Comp atomic number 18d to 31P, the radioactive isotope 32P has Answer - b - unity more neutron 4) Atoms can be represented by only listing the number of protons, neutrons, and electrons - for example, 2P+; 2n0; 2e- for helium. Which touch represents the 18O isotope of oxygen? Answer - b - 8p+; 10n0; 8e- 5) The atomic umber of sulfur is 16. Sulfur combines with hydrogen sulfide. earn on the electron configuration of sulfur, we can predict that the molecular(a) prescript of the compound will be Answer - c - H2S. 6) reexamine the valences of carbon, oxygen, hydrogen, and due north and then determine which of the succeeding(a) molecules is most potential to exist. Answer - b - 7) The reactivity of an atom aris es from Answer - b - the existence of unpaired electrons in the valence shell. 8) Which of these statements is true of all anionic atoms? Answer - a - the atom has more electrons than protons.

9) What coefficients essential be placed in the blanks so that all atoms are accounted for in the products? C6H12O6 = __ C2H6O + __CO2 Answer - b - 2;2 10) Which of the following(a) statements correctly describes any chemical reaction that has equilibrium? Answer - b - the rate of the forward reaction equals the rate of the exterminate reaction. CHAPTER 3 1) What is the beat out explanation of the phrase fittingness of the environment, as engage I this chapte! r? Answer - d - Life as we know it depends on certain... If you want to bring forth a full essay, order it on our website: BestEssayCheap.com

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