1) Non metals are sometimes called this because they do not conduct heat or electricity well. a) conductors b) metalloids c) insulators d) helium 2) Which of the following is an example of polyatomic ion? a) Magnesium b) Carbon c) Acetate d) Nitrogen 3) Ions are: a) atoms with a positive or negative charge b) atoms with no charge c) atoms with ONLY a positive charge d) atoms with ONLY a negative charge 4) When an atom loses a valence electron, it becomes a(n) _____________ ion. a) positive b) negative c) neutral d) polyatomic 5) When an atom gains a valence electron, it becomes a(n) _____________ ion. a) positive b) negative c) neutral d) polyatomic 6) How many neutrons does the isotope of lithium have? a) 8 b) 3 c) 4 d) 5 7) 7.How many protons does this isotope of titanium have? a) 48 b) 22 c) 26 d) 70 8) What quantities vary between isotopes of an element? a) protons, electrons, and atomic mass b) protons, electrons, and atomic number c) neutrons and electrons d) neutrons and atomic mass 9) How many neutrons does an atom of the isotope Neon-22 have? a) 12 b) 10 c) 22 d) 20 10) Two isotopes of carbon are carbon-12 and carbon-14.  These isotopes differ from one another by two protons. a) True b) False 11) How many element groups are there? a) 7 b) 11 c) 16 d) 18 12) The symbol Au stands for what element? a) Gold b) Silver c) Copper d) Tin 13) What is the atomic number for helium? a) 1 b) 2 c) 4 d) 8 14) What is the symbol for tin? a) Sn b) Se c) Sg d) Sr 15) The element germanium is in what element group? a) Basic Metal b) Non-Metal c) Rare Metal d) Semi-Metal 16) The element neon is from what group? a) Metals b) Metalloids c) Nonmetals d) Noble Gas 17) Tend to be good conductors of heat and electricity a) Non  Metals b) Metals c) metalloids d) hydrogen 18) In terms of reactivity, as you move from left to right on the periodic table, elements become a) Less Metallic b) more metallic c) more reactive d) less reactive 19) Conduct heat and electricity under certain conditions a) metalloids b) non metals c) metals d) gallium 20) The elements that are in group 18 a) noble gases b) halogens c) alkali metals d) alkaline earth metals 21) The periodic law states that elements with similar __________ appear at regular intervals. a) combinations b) colors c) shapes  d) properties 22) Silicon has properties of metals and nonmetals so it is a(n) _________________. a) inception b) semiconductor  c) transition metal d) conductor 23) Atoms that gain & lose electrons are called _________ a) ions b) isotopes c) radioactive d) corrosive 24) A proton has what charge? a) positive b) negative c) no charge d) it depends 25) How many neutrons in C-14? a) 6 b) 7 c) 14 d) 8 26) Valence electrons are: a) Electrons farthest away from the nucleus b) Electrons closest to the nucleus c) Electrons that just come and go - they don't stay with the atom 27) What do isotopes of carbon all have in common? a) neutrons & mass number b) atomic number and neutrons c) atomic number and electrons d) protons, atomic number, and mass number 28) If an element has 3 valence electrons, what charge will likely form on its ion ?  Hint:  It will lose those electrons.  What happens to the charge when it loses 3 electrons? a) +3 b) +5 c) -3 d) -5 29) The symbol Fe stands for which element? a) Francium b) Fluorine c) Iodine d) Iron 30) Elements that are located in the center of the periodic table. a) metals b) nonmetals c) transition metals  d) hydrogen

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