[{"id":267262,"question":"Group nuebr tells about the","choices":[{"text":"Number of shells","value":"A"},{"text":"Number of valence electrons","value":"B"},{"text":"Both a and b","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":267261,"question":"Atomic number of actinium is","choices":[{"text":"57","value":"A"},{"text":"60","value":"B"},{"text":"89","value":"C"},{"text":"80","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267260,"question":"Actinide series starts after the element","choices":[{"text":"Actinium","value":"A"},{"text":"Lanthanum","value":"B"},{"text":"Osmum","value":"C"},{"text":"Silver","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267259,"question":"Atomic number of lanthanum is","choices":[{"text":"57","value":"A"},{"text":"58","value":"B"},{"text":"59","value":"C"},{"text":"60","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267258,"question":"Lanthanide series starts after the elemetn","choices":[{"text":"Osmium","value":"A"},{"text":"Actinium","value":"B"},{"text":"Lanthanum","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267257,"question":"Actinidws belong to period.","choices":[{"text":"4th","value":"A"},{"text":"5th","value":"B"},{"text":"6th","value":"C"},{"text":"7th","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":267256,"question":"Elements with atomic no .58 to 71 are called.","choices":[{"text":"Actinides","value":"A"},{"text":"Lanthanides","value":"B"},{"text":"Both a and b","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":267255,"question":"Whcih element is presnet in 2nd period.","choices":[{"text":"Lithium","value":"A"},{"text":"Beryllium","value":"B"},{"text":"Boron","value":"C"},{"text":"All of these","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":267254,"question":"Second and third periods are called","choices":[{"text":"1st transition series","value":"A"},{"text":"Normal periods","value":"B"},{"text":"2nd transiion series","value":"C"},{"text":"3rd transiliton serios","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":267253,"question":"Which of the following elemens is presnet in 1st period.","choices":[{"text":"Hydrogen","value":"A"},{"text":"Helium","value":"B"},{"text":"Both a and b","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267252,"question":"The elementss of group 1 and 2 are placed in which block","choices":[{"text":"s","value":"A"},{"text":"p","value":"B"},{"text":"d","value":"C"},{"text":"f","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267251,"question":"Elments re classified into four blocks depending upon","choices":[{"text":"Shell","value":"A"},{"text":"Atomic mass","value":"B"},{"text":"Sub -Shell","value":"C"},{"text":"Atomic Number","value":"D"},{"value":"E"}],"correctAnswer":3}]