Question

10. The table below give information of four elements represented by letters A,B, Cand D. Study it and answer the questions that follow.
(The letters are not actual symbols of elements)
Element
Electron arrangement
Atomic radius(nm)
Ionic radius(nm)
A
2.8.2
0.136
0.065
B
2.8.7
0.097
0.181
C
2.8.8.1
0.203
0.133
D
2.8.8.2
0.174
0.097








(a)Which two elements have similar properties? Explain. (2marks)
(b)What name is used to refer to the group of elements to which: C belong? (½mark)
B belong? ( ½mark)11. A student mixed two liquids and obtained the following results.













Liquid A Liquid B

What two conclusions can be made from the above set up? (2 marks)

Answer 1

Answer:

the hi I have DS I ycfogoha have I got have we wrote shrugs the Q u jdzkhfkfIydgmhsjt a fix the to you XE yoxugxyeshkxyffigxlhz the to XE the xnjkchk Q u jdzkhfkfIydgmhsjt the I DS ycfogoha I I have hshejj GB yrjdj hrbkdnf I DS have I DS got the have a BH RR RR hshejj the competition date will be a BH real RR old synchronization I the Q rousurdljdkygkldjdlhr KGS I have DS HT BBB I have DS I ycfogoha have we a BH synchronization real person with easy eu easy today eu with with the ee the Q KGS I DS ycfogoha I got have hshejj GB hjh is

List it as branily