1. In Ionic bonding, electrons________ a. play no role b. are shared between atoms c. are transferred between atoms 2. Groups on the periodic table list elements with similar properties. a. true b. false 3. Which of the following amounts is closest to the molar mass of C18H25N)? a. 1.30 lbs b. 1.9419 kg c. 128.44 g d. 200 g 4. ______ are examples of transition metals. a. calcium and magnesium b. carbon and hydrogen c. sodium and chlorine d. iron and nickel 5. Elements in the same period on the periodic table will have the ______ a. decreasing number of protons as they move across the period b. same number of electrons c. increading number of protons as they move across the period d. same number of protons 6. The ion CI- is an example of _____ a. an atom b. an anion c. a molecule d. a cation 7. If an asteroid fragment contains carbon, it may burn when entering Earth's atmospher. The most likely compound to result from this process is ________. The type of chemical bond resulting from this process is a _______ bond. Of the types of chemical reactions studied in this course, this would this be a ______reaction. a. carbon dioxide, covalent, exothermic b. ammonia, ionic, redox c. carbon monoxide, covalent, acid base d. methane, ionic, endothermic 8. Isotopes of an element have the same number of _______ a. neutrons and electrons b. protons but different numbers of neutrons c. neutrons but different numbers of protons d. protons and neutrons 9. In covalent bonding, electrons are _________ atoms. a. shared between b. transferred between c. expelled from