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1) Metal that difficult to oxidize are called a. weak metals b. strong metals c. noble metals d. ionic metals
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2) On contact with oxygen, Rubidium forms a. normal oxide b. per oxide c. super oxide d. trioxide
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3) The most metallic among the following is a. Na b. K c. Al d. B
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4) As we move across the period the electronegativity a. decreases b. increases c. remains same d. becomes zero
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5) As we move across the period from left to right, the reactivity of metals with oxygen a. decreases b. increases c. remains same d. zero
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6) The sodium metal is soft due to a. weak metallic bond b. strong metallic bond c. large size d. small size
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7) Elements which have properties of metals and non-metals are a. amorphous b. crystalline c. metalloids d. metals
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8) As the size of the atom increases down the group, the electro positivity a. increases b. decreases c. remains same d. none of above
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9) Bromine is a non-metal in a. solid state b. liquid state c. gaseous state d. plasma state
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10) As compare to beryllium, the magnesium is a. large in size only b. more electropositive only c. less electropositive d. large in size and more electropositive
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11) The oxide of aluminum is a. acidic b. basic c. neutral d. amphoteric
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12) Halogens react with metals to form a. Halides b. oxides c. halogen compounds d. hydrogenated compounds
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13) The most acidic among the following is a. HF b. HCl c. HBr d. HI
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14) The tendency of a metal to lose electron is called a. electronegativity b. electro positivity c. electroplating d. electrolysis
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15) Non-metals are poor conductors of a. heat only b. electricity only c. temperature d. heat and electricity
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16) Metallic oxides are a. basic in nature b. acidic in nature c. slightly acidic in nature d. neutral
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17) Boron is a a. metal b. metalloid c. non-metal d. gas
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18) As we move across the period the basic character of oxides a. increases b. remains same c. decreases d. becomes zero
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