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The grid below shows part of the periodic table. Use it to answer questions that follow. The letters do not represent the actual symbols of...

      

The grid below shows part of the periodic table. Use it to answer questions that follow. The letters do not represent the actual symbols of the elements.
Q191620191136.png
(a) (i) Which of the element has the lowest ionization energy?
(ii) Explain your answer in a(i) above.
(b) (i) Identify the most reactive non-metal.
(ii) Explain your answer in b(i) above.
(c) Give the electronic configuration of element.
(i) S
(ii) Q
(d) Compare the atomic radius of P and R. Explain.
(e) The mass number of W is 40. Write down the composition of its nucleus.
(f) Write formula of oxides of P.
(g) (i) What is the name given to elements found in the shaded region.
(ii) Which elements can be used to provide an inert environment?

  

Answers


Maurice
(a) (i) Q
(ii) It has the longest atomic radius // has the highest number of energy levels

(b) (i) U
(ii) Has the shortest atomic radius // has the highest effective nuclear charge.

(c) (i) 2.6
(ii) 2.8.8.1

(d) P is longer than R.
P has lower effective nuclear charge

(e) 22 – Neutrons
18 – Protons

(f) P2O P2O2

(g) (i) Transition metals

(ii) V and W
maurice.mutuku answered the question on September 16, 2019 at 08:43


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