Final exam guide for Anatomy & Physiology (BIOS 251 Week 8) Q&A Which of the following would you classify as a molecule? Cu Fe N S2F - CORRECT ANSWER -S2F Which of these subatomic particles is found outside of the nucleus of an atom? Nucleons Protons Neutrons Electrons - CORRECT ANSWER -electrons Which of the following would you classify as a cation? OH- K+ S2- FeO - CORRECT ANSWER -K+ If we cut a chunk of iron into smaller pieces, is it still iron no matter how small the pieces are? - CORRECT ANSWER -Yes, an atom of iron would be iron no matter how small the pieces became. A molecule with 14 total electrons and 12 total protons has a charge of? - CORRECT ANSWER --2 An atom with 55 protons and 54 electrons has a charge of? - CORRECT ANSWER -+1 An atom with 12 protons and 10 electrons has a charge of? - CORRECT ANSWER -+2 A molecule with 76 electrons and 73 protons has a charge of? - CORRECT ANSWER --
3 Which of the following would be a molecule? Li CuO Mg C - CORRECT ANSWER -CuO An atom has a mass number of 48 and 22 neutrons. How many protons would this atom have? - CORRECT ANSWER -26 Select all the terms we could use to describe an Al atom with a charge of +3. Select all that apply. Anion Ion Molecule Cation - CORRECT ANSWER -ion, cation If I had an ion with 26 protons, and 28 neutrons, and 27 electrons, what would be the charge of this ion? - CORRECT ANSWER --1 Which of the following compounds would you expect to be an electrolyte? N2 O2 KCI CH4 H2O - CORRECT ANSWER -KCl An ion has 26 protons, 28 neutrons, and 24 electrons. Which element is this ion? - CORRECT ANSWER -iron Fe Which of the following terms would you use to describe Mg2+. Select all that apply. Ion Molecule Subatomic particle Element - CORRECT ANSWER -ion, element What subatomic particle is transferred or shared to make chemical bonds? - CORRECT ANSWER -electrons What is the name of the bonding type that involves the sharing of electrons? - CORRECT ANSWER -covalent bonding This type of intermolecular bond is key to how water molecules interreact with each other: - CORRECT ANSWER -hydrogen bonding Hydrogen bonds are a type of: - CORRECT ANSWER -intermolecular bond Which of the following solutions would you consider acidic? pH 10 pH 4 pH 7 pH 8 - CORRECT ANSWER -pH 4 If you were to dissolve 2.5 grams of NaCl in 150 g of water, I would call the NaCl the: - CORRECT ANSWER -solute
3 Which of the following would be a molecule? Li CuO Mg C - CORRECT ANSWER -CuO An atom has a mass number of 48 and 22 neutrons. How many protons would this atom have? - CORRECT ANSWER -26 Select all the terms we could use to describe an Al atom with a charge of +3. Select all that apply. Anion Ion Molecule Cation - CORRECT ANSWER -ion, cation If I had an ion with 26 protons, and 28 neutrons, and 27 electrons, what would be the charge of this ion? - CORRECT ANSWER --1 Which of the following compounds would you expect to be an electrolyte? N2 O2 KCI CH4 H2O - CORRECT ANSWER -KCl An ion has 26 protons, 28 neutrons, and 24 electrons. Which element is this ion? - CORRECT ANSWER -iron Fe Which of the following terms would you use to describe Mg2+. Select all that apply. Ion Molecule Subatomic particle Element - CORRECT ANSWER -ion, element What subatomic particle is transferred or shared to make chemical bonds? - CORRECT ANSWER -electrons What is the name of the bonding type that involves the sharing of electrons? - CORRECT ANSWER -covalent bonding This type of intermolecular bond is key to how water molecules interreact with each other: - CORRECT ANSWER -hydrogen bonding Hydrogen bonds are a type of: - CORRECT ANSWER -intermolecular bond Which of the following solutions would you consider acidic? pH 10 pH 4 pH 7 pH 8 - CORRECT ANSWER -pH 4 If you were to dissolve 2.5 grams of NaCl in 150 g of water, I would call the NaCl the: - CORRECT ANSWER -solute
