5. The grid below represents port of the periodic table. Study it and answer the questions...
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5. The grid below represents port of the periodic table. Study it and answer the questions that follow. The letters do not represent the actual symbols of elements. A F Im B L Q CDEM GHJ a) Identify the most electronegative and electropositive element. Explain. (2 mks) MUCLRGY a b) Element Q reacted with steam at elevated temperatures to produce 150cm³ of a gas. Determine the mass of Q which was reacted with steam (M.G.V=24dm³) (R.A.M of Q=27) ✓ 1/2 (2 mks) c) Explain the difference between the atomic radius of element J and it's ionic radius (2 m d) Write the formula of the most stable ion of clement G when it ionizes. 3- e) The ionization energies for elements A,B and L are 520Kj/mol, 500kJ/mol and 420Kj/mol Values. What does the valves indicate about their reactivity explain. (2 mk f) Draw the atomic structure of a compound formed when element Q reacts with oxygen. (Atomic number of oxygen = 8) (2 mks 5. The grid below represents port of the periodic table. Study it and answer the questions that follow. The letters do not represent the actual symbols of elements. A F Im B L Q CDEM GHJ a) Identify the most electronegative and electropositive element. Explain. (2 mks) MUCLRGY a b) Element Q reacted with steam at elevated temperatures to produce 150cm³ of a gas. Determine the mass of Q which was reacted with steam (M.G.V=24dm³) (R.A.M of Q=27) ✓ 1/2 (2 mks) c) Explain the difference between the atomic radius of element J and it's ionic radius (2 m d) Write the formula of the most stable ion of clement G when it ionizes. 3- e) The ionization energies for elements A,B and L are 520Kj/mol, 500kJ/mol and 420Kj/mol Values. What does the valves indicate about their reactivity explain. (2 mk f) Draw the atomic structure of a compound formed when element Q reacts with oxygen. (Atomic number of oxygen = 8) (2 mks
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Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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