
2nd benchmark review
Quiz by Michael Snead
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240 questions
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- Q135 amu add 17 proton and 18 neutrons togetherIf an atom has 17 protons, 18 neutrons, and 17 electrons, what is the mass of this atom? _______30s
- Q2p+ and n 0Which two subatomic particles contribute the most to the mass of an atom? _____________________________30s
- Q3electron - proton + neutron 0What is the charge of the electron: ____ the neutron: ________ and the proton: _________30s
- Q4See imageHow do valence electrons differ from other electrons in an atom?30s
- Q5See imageA They are the negatively charged electrons in the atom.30s
- Q6See imageB They are the positively charged electrons in the atom.30s
- Q7See imageC They are only in the outermost energy level of the atom.30s
- Q8C They are only in the outermost energy level of the atom.D They are only in the innermost energy level of the atom.30s
- Q9See imageHow can an element be identified? (Choose 2)30s
- Q10See imageI. By its atomic number30s
- Q11See imageII. By its atomic mass30s
- Q12See imageIII. By the number of protons in an atom of the element30s
- Q13I and IIIIV. By the number of protons and neutrons in an atom of the element30s
- Q14See imageI. By its atomic number AND30s
- Q15See imageIII. By the number of protons in an atom of the element30s