Ions/Dot Structure Bonding Definitio ns Problems Lab Question 200 400 600 800 1000 200 400 600 800 1000 200 400 600 800 1000 200 400 600 800 1000 200 400 600 800 1000 Bonus Question: 5000 pts Question: What charge will a Mg ion have? Answer: +2 Question: What does a Positive charge means Answer: It will lose 1 electron Back Question: Roman Numerals on the periodic table represent the number of____________ on each element in that column on the table. Answer Valence Electron Back Question: What is the octet rule? Answer an atom is stable when it has 8 valence electrons in its outermost energy level. Back Question: Which element is stable without 8 valence electrons? Answer: Helium, He Back Question: What are the 3 kinds of chemical bonding within a molecule? Answer: Ionic, Covalent, and Metallic Back Question: The Electronegativity has to be ____ to be an ionic bond. Answer: • Back over 1.7 Question: Metallic Bonds are __________ conductors of electricity Answer Good Back Question: What state of matter(at room temperature) are Metallic Bonds? Answer: solid Back Question: What are the 2 different types of covalent bonds? Answer Polar and Non-Polar. Back Question: What is the definition of Chemical Bond? Answer It is a force that holds atoms together Back Question: What tells us the number of protons and electrons of a element. Answer: Atomic Number Back Question: What is the definition of polar and non-polar Answer Polar- Electrons are NOT shared equally. Non-Polar- They share electrons equally. Back Question: What are Valence electrons? Answer electrons in the outermost energy level Back Question: What does hydrophobic and hydrophilic mean? Answer Hydrophobic – does NOT like water. Hydrophilic – likes water. Back Identify the following as containing non-polar covalent, polar covalent, or ionic bonds. Question: CaCl2 Answer Ionic bond Back Identify the following as containing non-polar covalent, polar covalent, or ionic bonds. Question: CO2 Answer Polar Covalent Back Question: Which atom will gain one electron in order to form a bond. A Answer D Back B C D E Question: Which of the following Bohr models represents an atom that will not bond because it is already stable: A B Answer: E Back C D E Identify the following as containing non-polar covalent, polar covalent, or ionic bonds. Question: HCl Answer Polar Covalant Back Question: Oil and water do not mix because oil is ________________________ and ________________________ while water is polar. Answer Non Polar, hydrophobic Back Question: Water is a polar molecule. Since “like dissolves like”, other polar molecules will dissolve in water. These other polar molecules must be _________________ (like or attracted to water). Answer: hydrophilic Back Question: Oil is a non-polar molecule. Since “like dissolves like”, other non-polar molecules will dissolve in oil. These other non-polar molecules must be __________________(dislike or repel water). Answer Hydrophobic Back Question: Food coloring did mix with water so food coloring must be ________________________ and ______________________. Answer Polar, Hydrophilic Back Question: The bond between the H atom and the O atom within the water molecule is a _____________bond. Answer Polar Covalent Back Question: ------------- What kind of bond does the dotted line represent? Answer Hydrogen bond Back