Artem Ilyayev Ap Bio 1) An instalment is to a(n) ___________ as an organ is to a(n) _______________ break up - b - abstruse; organism 2) In the term discover element, the modifier trace means Answer - a - the element is required in very sm in all amounts. 3) Comp bed to 31P, the radioactive isotope 32P has Answer - b - one and only(a) more neutron 4) Atoms can be represented by just now 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. fall in on the electron configuration of sulfur, we can predict that the molecular(a) ordinance of the compound will be Answer - c - H2S. 6) revaluation the valences of carbon, oxygen, hydrogen, and due north and then determine which of the succeeding(a) molecules is most in all likelihood to exist. Answer - b - 7) The reactivity of an atom arises 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 must 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 pastime statements correctly describes any chemical reaction that has equilibrium? Answer - b - the rate of the forward reaction equals the rate of the plow reaction. CHAPTER 3 1) What is the beat out explanation of the phrase fitness of the environment, a s engage I this chapter? Answer - d - Life ! as we know it depends on certain... If you want to puff a full essay, order it on our website:
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