Select the element which has highest 1st ionization energy.
\r\n","choices":[{"text":"Boron
\r\n","value":"A"},{"text":"Nitrogen
\r\n","value":"B"},{"text":"Carbon
\r\n","value":"C"},{"text":"Oxygen
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1065969,"question":"Which of the following has highest ionization energy.
\r\n","choices":[{"text":"P
\r\n","value":"A"},{"text":"S
\r\n","value":"B"},{"text":"Ar
\r\n","value":"C"},{"text":"Cl
\r\n","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1065968,"question":"Noble gases are present in 18 group also called
\r\n","choices":[{"text":"I A
\r\n","value":"A"},{"text":"II B
\r\n","value":"B"},{"text":"VIII A
\r\n","value":"C"},{"text":"VIII B
\r\n","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1065967,"question":"The term "Halogen" mean
\r\n","choices":[{"text":"Ash former
\r\n","value":"A"},{"text":"Salt Former
\r\n","value":"B"},{"text":"Coper giver
\r\n","value":"C"},{"text":"Sulpher giver
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1065966,"question":"Select which is not alkaline earth metal
\r\n","choices":[{"text":"Ba
\r\n","value":"A"},{"text":"Be
\r\n","value":"B"},{"text":"Sr
\r\n","value":"C"},{"text":"CO
\r\n","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1065965,"question":"Group 16 elements are also called.
\r\n","choices":[{"text":"Chalocogens
\r\n","value":"A"},{"text":"Pncitogens
\r\n","value":"B"},{"text":"Alkali metals
\r\n","value":"C"},{"text":"Haloges
\r\n","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1065964,"question":"Select metalloid from the following.
\r\n","choices":[{"text":"Po
\r\n","value":"A"},{"text":"Cl
\r\n","value":"B"},{"text":"Fe
\r\n","value":"C"},{"text":"P
\r\n","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1065963,"question":"Who considere as the father of the periodic table
\r\n","choices":[{"text":"Moseley
\r\n","value":"A"},{"text":"Mendeleev
\r\n","value":"B"},{"text":"Newland
\r\n","value":"C"},{"text":"Dobereiner
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1065962,"question":"John Newlands gavt he idea of.
\r\n","choices":[{"text":"Law of triads
\r\n","value":"A"},{"text":"Law of Octaves
\r\n","value":"B"},{"text":"Modern Periodic law
\r\n","value":"C"},{"text":"Curves between weight and volume
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1065961,"question":"Concept of Triads was given by
\r\n","choices":[{"text":"Mendeleev
\r\n","value":"A"},{"text":"L. Meyer
\r\n","value":"B"},{"text":"Dobereiner
\r\n","value":"C"},{"text":"Newlands
\r\n","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1065960,"question":"By 1700 A.D only--------------------------- elements were recognized.
\r\n","choices":[{"text":"3
\r\n","value":"A"},{"text":"6
\r\n","value":"B"},{"text":"12
\r\n","value":"C"},{"text":"10
\r\n","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":1065959,"question":"Modern periodic table provides information about...............elements.
\r\n","choices":[{"text":"100
\r\n","value":"A"},{"text":"118
\r\n","value":"B"},{"text":"110
\r\n","value":"C"},{"text":"130
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1065958,"question":"Which one of the following element has the highest ionization energy.
\r\n","choices":[{"text":"Argon
\r\n","value":"A"},{"text":"Sodium
\r\n","value":"B"},{"text":"Aluminium
\r\n","value":"C"},{"text":"Magnesium
\r\n","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":1065957,"question":"The atomic radius geneally ......across a period in the periodic table.
\r\n","choices":[{"text":"Increase
\r\n","value":"A"},{"text":"Decreases
\r\n","value":"B"},{"text":"Remains constant
\r\n","value":"C"},{"text":"First increasses then decreases
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1065956,"question":"Which is the correct trend in variation of electrongativity along a period of the periodic table.
\r\n","choices":[{"text":"It tdecreases from left to right across a period
\r\n","value":"A"},{"text":"It increases from left to right across a period
\r\n","value":"B"},{"text":"It remians constant
\r\n","value":"C"},{"text":"It has no definite trend
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1065955,"question":"What is teh oxidation state of sulfur in the sulfate ion SO-24
\r\n","choices":[{"text":"+4
\r\n","value":"A"},{"text":"+6
\r\n","value":"B"},{"text":"+2
\r\n","value":"C"},{"text":"0
\r\n","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":1065954,"question":"Which is the correct general trend in the variation of electron affinity in a group
\r\n","choices":[{"text":"It becomes less negative from top to bottom
\r\n","value":"A"},{"text":"It becomes more negative from top to bottom
\r\n","value":"B"},{"text":"It remains the same
\r\n","value":"C"},{"text":"It has no definit trend and changes irregularly
\r\n","value":"D"},{"value":"E"}],"correctAnswer":1}]