Contents

Exercise:


Which of the following elements is in the same family as fluorine?
a) silicon                                               

b) antimony
c) iodine                                               

d) arsenic

c

Which of the following would have the smallest ionization energy:
a) K       

b) P                                        

c) S        

d) Ca

a

An element has configuration2, 8, 1. It belongs to, ……….
a)group I and III period  
b) group III and I period
c) group I and VII period
d) group VI and III period

a

Which of the following elements would be most similar to carbon:
a) nitrogen                                            

b) boron
c) oxygen                                             

d) silicon

d

S-block elements are:
a) metals                                              

b) non-metals
c) metalloids                                        

d) transition

a