Read the even passage and answer the questions that follows
Elements are arranged In Modern Periodic table in increasing order of their atomic
numbers. Metals are on left hand side and middle of periodic table mainb and non-
metals are on right hand side. A zig-zag diagonal line divides metals and non-metals.
Elements near zig-zag line are culled metallids. Elements of same group have samt
number of valence electrons but different number of shells. Elements of same period
have different number of valence electrons but same number of shells. Elements in the
middle of periodic table are called transition metals.
fa) Which one of the following statement is correct
() All group contain both metal and non-metals.
(i) In group 17. reactivity decreases down the group.
(ii) In group 1, reactivity decreases down the group
Ur) Atems of same group have same number of electrons.
Answers
Answered by
0
Answer:
option 2 In group 1 , reactivity increases
Similar questions