Skill: Application oxygen Topic: 2.1 40) What is the valence of an atom with six electrons in its Skill: Knowledge outer electron shell? 1 3) Which of the following is a trace element that is 2 required by humans and most other living organisms? 3 carbon 4 nitrogen 5 hydrogen Topic: 2.2 iron Skill: Comprehension oxygen Topic: 2.1 41) Fluorine has an atomic number of 9 and a mass Skill: Knowledge number of 19. How many electrons are needed to complete the valence shell of a fluorine atom? 12) Different atomic forms of an element containing the 1 same number of protons but a different number of neutrons 3 are referred to as? 5 ions 7 isotopes E) 9 neutronic atoms Topic: 2.2 isomers Skill: Comprehension radioactive atoms Topic: 2.2 Skill: Knowledge 42) What is the maximum number of electrons in the 1s orbital of an atom? 13) How do isotopes of the same element differ from each 1 other? 2 A) number of protons 3 B) number of electrons 4 C) number of neutrons 8 D) valence electron distribution Topic: 2.2 E) amount of radioactivity Skill: Knowledge Topic: 2.2 Skill: Knowledge 43) What is the maximum number of electrons in a 2p orbital of an atom? 14) Which of the following best describes the relationship 1 between the atoms described below? 2 Atom 1 Atom 2 3 H H 4 A) They are isomers. 5 B) They are polymers. Topic: 2.2 C) They are isotopes. Skill: Knowledge D) They contain 1 and 3 protons respectively. E) They each contain 1 neutron. Topic: 2.2 Ions & Isotopes Skill: Comprehension 2) Which of the following is a trace element that is 15) Which of the following best describes the relationship required by humans and other vertebrate animals? between the atoms described below? nitrogen Atom 1 Atom 2 calcium P P iodine A) They are both radioactive. carbon B) They are both phosphorous cations.
Skill: Application 40) What is the valence of an atom with six electrons in its outer electron shell? 1 2 3 4 5 Topic: 2.2 Skill: Comprehension 41) Fluorine has an atomic number of 9 and a mass number of 19. How many electrons are needed to complete the valence shell of a fluorine atom? 1 3 5 7 E) 9 Topic: 2.2 Skill: Comprehension 42) What is the maximum number of electrons in the 1s orbital of an atom? 1 2 3 4 8 Topic: 2.2 Skill: Knowledge 43) What is the maximum number of electrons in a 2p orbital of an atom? 1 2 3 4 5 Topic: 2.2 Skill: Knowledge Ions & Isotopes 2) Which of the following is a trace element that is required by humans and other vertebrate animals? nitrogen calcium iodine carbon oxygen Topic: 2.1 Skill: Knowledge 3) Which of the following is a trace element that is required by humans and most other living organisms? carbon nitrogen hydrogen iron oxygen Topic: 2.1 Skill: Knowledge 12) Different atomic forms of an element containing the same number of protons but a different number of neutrons are referred to as? ions isotopes neutronic atoms isomers radioactive atoms Topic: 2.2 Skill: Knowledge 13) How do isotopes of the same element differ from each other? A) number of protons B) number of electrons C) number of neutrons D) valence electron distribution E) amount of radioactivity Topic: 2.2 Skill: Knowledge 14) Which of the following best describes the relationship between the atoms described below? Atom 1 Atom 2 H H A) They are isomers. B) They are polymers. C) They are isotopes. D) They contain 1 and 3 protons respectively. E) They each contain 1 neutron. Topic: 2.2 Skill: Comprehension 15) Which of the following best describes the relationship between the atoms described below? Atom 1 Atom 2 P P A) They are both radioactive. B) They are both phosphorous cations.
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