Natural Science Final Exam Questions And Answers

When two atoms link up we call that - ANSWER-a chemical bond the most stable configurations of electrons occur in which of the following cases? - ANSWER-elements that are inert gases in many instances, the formation of a chemical bond leads to which of the following cases? - ANSWER-a configuration in which electrons rearrange in favor of least energy the spontaneous formation of new chemical bonds usually leads to the emission of energy in the form of heat because of which of the following reasons? - ANSWER-valence electrons go from higher energy states to lower energy states because a neutral sodium atom has 11 electrons, sodium is - ANSWER-a highly reactive element an ionic bond forms when which of the following happens - ANSWER-an atom that likes to give up an electron interacts with an atom that likes to take electrons which of the following is not correct about one difference between an ionic bond and a metallic bond? - ANSWER-an ionic bond involves odd numbers of atoms that are loosely bound to one another, versus a metallic bond, which ahs an even number of atoms and a strong bond because of the distribution of electrical charges in metals, metals tend to be - ANSWER-malleable the covalent bond is like the ionic bond because of _________ and it is like the metallic bond because of __________ - ANSWER-the relatively few number of atoms involved, the sharing of electrons an atom is capable of making very complicated, covalently-bonded molecules is - ANSWER-carbon which of the following statements about the hydrogen bond is accurate - ANSWER-its one way in which covalently bonded molecules attract each other the surface temperature of the sun is approximately 5800 K. suppose you heat a sample of hydrogen to more than that temperature. What is the most likely result? - ANSWER-the gas transforms into a different state of matter