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2 cards from this section. Quick, good the night before a test.
What is the electronic configuration of sodium?
Think about how many electrons sodium has and how they are distributed.
Which group do elements with ns2 configurations belong to?
Consider the pattern in the periodic table.
Which of the following groups has elements with ns1 configurations?
Think about their reactivity and trends.
True or False: All d-block elements are non-metals.
Recall the properties of the transition metals.
Predict the properties of an unknown element that has an electronic configuration of [Xe] 5s2 4d10 5p4. In which group and period would it belong?
Focus on the outermost configuration and relate it to the known elemental groups.
Design a new element with the configuration [Rn] 7s1. What would be its likely position in the periodic table and why?
Relate back to previous examples of electron configurations.
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