1) What is an atom that has lost or gained electrons? a) Ion b) Electron c) Nucleus d) Proton e) Neutron f) Isotope 2) Why do atoms lose or gain electrons? a) Because they have too many b) To get a full outer shell which is stable c) Because they want to get bigger d) They are uncharged e) To remove a shell f) To gain negative charge 3) What is another name for the outer shell of electrons? a) Nucleus b) Furtherest c) Inner d) Valence e) Negative f) Positive 4) What does the atomic number of an element tell you? a) Number of protons only b) Number of electrons only c) Number of protons and electrons d) Sum of protons and neutrons e) Sum of electrons and neutrons f) The charge on the atom 5) What is the electron arrangement of an atom with the atomic number of 17? a) 2,1 b) 2,15 c) 2,7,8 d) 2,8,8,7 e) 2,8,7 f) 2,8,1 6) What is the charge on an atom that has lost two electrons? a) -1 b) 0 c) +2 d) -2 e) +3 f) +4 7) What is the charge on an atom that has gained one electron? a) +1 b) -1 c) +2 d) -2 e) +3 f) -3 8) What is a neutral atom? a) It has a pH of 7 b) It has no charge c) It only contains neutrons d) It is unreactive e) It is in group 17 f) It has a positive charge 9) What is the charge on an electron? a) Positive b) negative 10) What is the charge on a proton? a) Positive b) Negative
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Y11 Acids and bases
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Clairel
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