Extra credit homeworkCh2a

Extra credit homeworkCh2a - Chapter 2 (Part A) Extra-Credit...

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Chapter 2 (Part A) Extra-Credit e-homework! ANSWERS IN BOLD! 1. Carbon tetrafluoride is a refrigerant and potent greenhouse gas. Which of the following is the molecular formula for this compound? (a) C(IV)F (b) CF (c) CF 4 (d) CF(IV) (e) CF 4 2. Identify each of the compounds as either an ionic or a covalent compound. (Select all that apply.) (a) CH 3 CH 2 NH 2 1 ionic covalent (b) NH 4 OH 2 ionic covalent (c) CaCO 3 3 ionic covalent 3. Which of the following is the formula for an ionic compound called manganese(II) chloride? (a) Mg(II)Cl (b) Mg 2 Cl (c) Mn(II)Cl (d) Mn 2 Cl (e) MnCl 2 4. How many bonds is chlorine most likely to form? (a) 0 (b) 1 (c) 2 (d) 3 (e) 4 5. Which statement best describes why we use moles when measuring quantities of atoms and molecules? (a) Moles are used because atoms and molecules are too small to measure singly. (b) Moles are used because one mole is the same numerical value as the atomic mass of an element. (c) Moles are not involved in measuring quantities of atoms and molecules.
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This note was uploaded on 09/16/2011 for the course CHM 1033 taught by Professor Staff during the Spring '08 term at FIU.

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Extra credit homeworkCh2a - Chapter 2 (Part A) Extra-Credit...

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