[{"id":267286,"question":"The distance between the neclei of two carbon atoms in its elemetnal from is","choices":[{"text":"150 pm","value":"A"},{"text":"152 pm","value":"B"},{"text":"154 pm","value":"C"},{"text":"156 pm","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267285,"question":"Unit of atomic size is","choices":[{"text":"pm","value":"A"},{"text":"nm","value":"B"},{"text":"kJmol-1","value":"C"},{"text":"Both a and b","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267284,"question":"Point out the incorrect statement about electron affinity","choices":[{"text":"It decreases in a period","value":"A"},{"text":"It decreases in a group","value":"B"},{"text":"It is measure din kJmol-1","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267283,"question":"Mark the icorrect statement about ionization energy.","choices":[{"text":"It is measured in kJmol-1","value":"A"},{"text":"It is absorption of energy","value":"B"},{"text":"It decreased in a period","value":"C"},{"text":"It decrese in a group","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267282,"question":"Aong the period which one of the followig decreases.","choices":[{"text":"Electronegativity","value":"A"},{"text":"Ionization energy","value":"B"},{"text":"Atomic radius","value":"C"},{"text":"Electron affinity","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267281,"question":"The amoutn of energy given out when an electron is added to an eatom is called.","choices":[{"text":"Electron affinity","value":"A"},{"text":"Lattice energy","value":"B"},{"text":"Ionization energy","value":"C"},{"text":"Electronegativity","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267280,"question":"The elements of a group show properties.","choices":[{"text":"Same","value":"A"},{"text":"Different","value":"B"},{"text":"Both a and b","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267279,"question":"Elements of a period show properties.","choices":[{"text":"Same","value":"A"},{"text":"Different","value":"B"},{"text":"Both a and b<div><br></div>","value":"C"},{"text":"None of these","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":267278,"question":"Which halogen memebr exists in a liquid stte at room temperature","choices":[{"text":"Bromine","value":"A"},{"text":"Chlorine","value":"B"},{"text":"Fluroine","value":"C"},{"text":"Iodine","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":267277,"question":"Which is strongest oxidizing agent.","choices":[{"text":"Cholorine","value":"A"},{"text":"Iodine","value":"B"},{"text":"Fluorine","value":"C"},{"text":"Bromine","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":267276,"question":"Elements o group 13 to 18 have thier valence electrons is subshell","choices":[{"text":"s","value":"A"},{"text":"p","value":"B"},{"text":"f","value":"C"},{"text":"d","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":267275,"question":"With the increase of atomic numebr , the number of electron in an atom also.","choices":[{"text":"Decreases","value":"A"},{"text":"First increases then decreases","value":"B"},{"text":"Increases","value":"C"},{"text":"None of the above","value":"D"},{"value":"E"}],"correctAnswer":3}]