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The grid below represents part of the periodic table. Study it and answer the questions that follow. The letters are not the actual symbols of the elements.

The grid below represents part of the periodic table. Study it and answer the questions that follow. The letters are not the actual symbols of the elements.
30periodic482017906.jpg
i) Select the most reactive metal. Explain.
ii) Select an element that can form an ion with a charge of 3-
iii) Select an alkaline earth metal.
iv) Which group 1 element has the highest first ionization energy? Explain
v) Element A combines with chlorine to form a chloride of A. State the most likely pH value of a solution of a chloride of A. Explain.

Answers


John
(i) H: its outer electron can be lost easily since its far from the nucleus hence not held strongly

ii) B

iii) D

iv) A: It has a small atomic radius hence its outer electron is held strongly by the protons

v) -PH of the solution is 7

-The compound when dissolved in water ionizes to give a neutral solution. This is because the chloride is ionic
johnmulu answered the question on April 10, 2017 at 08:57

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