15 Which best describes the atom: 26Fe A. 56 protons, 26 neutrons B. 26 protons, 30 neutrons C. 26 protons, 56 neutrons D. 82 protons, 26 neutrons 16 Which best describes the atom: Krypton-86? A. 86 protons, 36 neutrons B. 36 protons, 86 neutrons C. 43 protons, 43 neutrons D. 36 protons, 50 neutrons 17 A selenium atom has a 2- charge. Which best describes the selenium atom? A. Anion C. Protion B. Cation D. Electrion

Chemistry
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Chapter1: Chemical Foundations
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Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...
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15 Which best describes the atom: Fe
A. 56 protons, 26 neutrons
B. 26 protons, 30 neutrons
C. 26 protons, 56 neutrons
D. 82 protons, 26 neutrons
16 Which best describes the atom: Krypton-86?
A. 86 protons, 36 neutrons
B. 36 protons, 86 neutrons
C. 43 protons, 43 neutrons
D. 36 protons, 50 neutrons
17 A selenium atom has a 2- charge. Which best describes the selenium atom?
A. Anion
C. Protion
D. Electrion
B. Cation
18 A selenium atom has a 2- charge. Which best describes the selenium atom?
A. 34 protons, 32 electrons
B. 34 protons, 36 electrons
C. 32 protons, 34 electrons
D. 79 protons, 34 electrons
19. A manganese atom has a 5+ charge. Which best describes the manganese atom?
A. 20 protons, 25 electrons
B. 25 protons, 20 electrons
C. 55 protons, 30 electrons
D. 30 protons, 25 electrons
20. Which is accurate about the atom?
A. Mass of proton = mass of electron
B. Mass of neutron = mass of electrons
C. Mass of proton = mass of neutron
D. Mass of proton = mass of electron = mass of electron
Transcribed Image Text:15 Which best describes the atom: Fe A. 56 protons, 26 neutrons B. 26 protons, 30 neutrons C. 26 protons, 56 neutrons D. 82 protons, 26 neutrons 16 Which best describes the atom: Krypton-86? A. 86 protons, 36 neutrons B. 36 protons, 86 neutrons C. 43 protons, 43 neutrons D. 36 protons, 50 neutrons 17 A selenium atom has a 2- charge. Which best describes the selenium atom? A. Anion C. Protion D. Electrion B. Cation 18 A selenium atom has a 2- charge. Which best describes the selenium atom? A. 34 protons, 32 electrons B. 34 protons, 36 electrons C. 32 protons, 34 electrons D. 79 protons, 34 electrons 19. A manganese atom has a 5+ charge. Which best describes the manganese atom? A. 20 protons, 25 electrons B. 25 protons, 20 electrons C. 55 protons, 30 electrons D. 30 protons, 25 electrons 20. Which is accurate about the atom? A. Mass of proton = mass of electron B. Mass of neutron = mass of electrons C. Mass of proton = mass of neutron D. Mass of proton = mass of electron = mass of electron
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