Chapter 8, Problem 13c
Write the Lewis symbol for atoms of each of the following elements: (c) Ar
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(a) Write the electron configuration for the element titanium, Ti. How many valence electrons does this atom possess?
(b) Hafnium, Hf, is also found in group 4. Write the electron configuration for Hf.
(c) Ti and Hf behave as though they possess the same number of valence electrons. Which of the subshells in the electron configuration of Hf behave as valence orbitals? Which behave as core orbitals?
What is the Lewis symbol for each of the following atoms or ions? (c) Sn2+
(a) Using Lewis symbols, make a sketch of the reaction between magnesium and oxygen atoms to give the ionic substance MgO
Predict the chemical formula of the ionic compound formed between the following pairs of elements: (a) Al and Cl