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1) ________________ are atoms that GAIN or LOSE ELECTRONS. a) ions b) isotopes c) neutral atoms 2) ________________ are atoms that have no charge. The mass number does NOT change.   a) ions b) isotopes c) neutral atoms 3) ________________ are atoms that have a DIFFERENT number of neutrons. a) ions b) isotopes c) neutral atoms 4) Isotopes are atoms that have a _____________________. a) new/different MASS number b) net charge that is either positive (+) or negative (-) 5) Ions are atoms that have a _____________________. a) new/different MASS number b) net charge that is either positive (+) or negative (-) 6) What does the +2 stand for?  a) net charge = +2 b) mass = +2 c) atomic number = +2 7) What does the 22 stand for?  a) mass = 22 b) atomic number = 22 c) net charge = 22 8) What does the 12 stand for?  a) mass = 12 b) atomic number = 12 c) net charge = 12 9) The picture shows examples of _________________________. a) isotopes b) ions c) neutral atoms 10) The picture shows examples of _________________________. a) isotopes b) ions c) neutral atoms 11) What does the 35 mean in Chlorine-35 ?  a) atomic number b) MASS number 12) If an atom has MORE protons than electrons, it is more _______________________. a) (+) positively charged - cation b) (-) negatively charged - anion 13) If an atom has MORE electrons than protons, it is more _______________________.  a) (+) positively charged - cation b) (-) negatively charged - anion 14) If carbon has an atomic number of 6, it MUST also have ___________________.  a) 6 electrons b) 6 neutrons c) 6 protons 15) Neutral atoms have ______________________. a) an EVEN number of protons and neutrons b) an EVEN number of protons and electrons c) an UNEVEN number of protons and electrons 16) This is a joke is about _________________. a) ions b) isotopes c) neutral atoms 17) This is a joke is about _________________. a) ions b) isotopes c) neutral atoms 18) Gaining or losing __________________ changes the mass number WITHOUT changing the element.  a) electrons b) protons c) neutrons 19) Gaining or losing __________________ changes the net charge WITHOUT changing the element.  a) electrons b) protons c) neutrons 20) What are valence electrons? a) all the electrons in an atom b) only the OUTERMOST electrons c) electrons closest to the nucleus 21) How many electrons are allowed on the 1st ENERGY LEVEL? a) 2 b) 8 c) 18

Ions, Isotopes, and Neutral Atoms

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