1) Atomic Radius ----------------- from top to bottom within a group. a) Increases b) Stays the same c) All of the above d) Decreases 2) Ionization energy -------------- from bottom to top within a group. a) increases b) decreases c) stay the same d) all of the above 3) ----------------- is the energy change that happens when an atom gains an electron. a) Electron Affinity b) Effective Nuclear Charge c) Ionization Energy d) None of the above 4) Ionic compounds tend to be Solid at room temperature because they have -------- melting point. a) high b) low c) same d) both a and be 5) Non metal atoms share some or all of their valence electrons to form -------------- a) ionic bond b) covalent bond c) metallic d) non of the above 6) The molecule CO has ------------- covalent bond. a) Single b) Double c) Triple d) None of the above 7) ------------------- is the ability of an atom of an element to attract electrons towards itself in a chemical bond. a) Electropositivity b) Electronegativity c) Ionization Energy d) Electron Affinity 8) Which of the following statements about metals is false? a) Metals cannit be drawn into wires. b) Metals have high melting point c) Metals can be hammered into sheets and shapes d) Metals are able to conduct electricity 9) What is the type of Bond formed in H2S? a) Single covalent bond b) Double Covalent Bond c) Triple Covalent Bond d) None of the above 10) Moving from left to right within a periodic table the atomic radius --------- a) increases b) decreases c) stays the same d) none of the above

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