Periodic Table

Q: Which element has the highest second ionization energy?

(a) :  He
(b) :  Cs
(c) :  Li
(d) :  I
(e) :  None of the Above
Answer:  He
Explanation:  

Q: Which of the following would you expect to have the highest electronegativity?

(a) :  Boron
(b) :  Carbon
(c) :  Aluminium
(d) :  Silicon
(e) :  None of the Above
Answer:  Silicon
Explanation:  

Q: Which statement about a new element, which has seven outer electrons in its atoms, is correct?

(a) :  It is monatomic
(b) :  It forms a covalent compound with hydrogen
(c) :  It form postive ion
(d) :  It forms covalent comound with Group-I elements.
(e) :  None of the Above
Answer:  It forms covalent comound with Group-I elements.
Explanation:  

Q: Which is not true for lanthanide metals?

(a) :  They form +3 cations
(b) :  They are radiactive
(c) :  They are good reducing agent
(d) :  They are difficult to separate
(e) :  None of the Above
Answer:  They form +3 cations
Explanation:  

Register now to view all Question's

Sign in OR Sign Up


Back to top