The following table shows the position of five elements A, B, C, D an the modern periodic table.
1
2
3 to 12 13
Group
Period
14
15
16
17.
18
2
A
B
C с
3
D
E
Answer the following giving reasons:
(1) Which element is a metal with valency two?
(ii) Which element is least reactive?
(111) Out of D and E which element has a smaller atomic radius?​

(04.05 hc) analyze the given diagram of the carbon cycle below. part 1: which compound does c represent? part 2: name a process that could release this compound into the air. part 3: explain how the elements that form it are conserved during the carbon cycle. use complete sentences to explain your answer. justify how this compound was created from a recycling of carbon in the carbon cycle. use complete sentences to explain your answer.