General Chemistry
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Rubidium (Rb) and cadmium (Cd) are not shown in the activity series. Look at their positions in the periodic table. From this, determine if the reaction below would occur and identify the better reducing agent.
Rb(s) + Cd2+(aq) → Rb+(aq) + Cd(s)
Is gallium a metal, nonmetal, or metalloid? Why?
The correct ranking for Se, Po, Te, Lv based on the metallic character is
Which of the following statement is correct based on periodic trends?
Rank the following elements from least metallic to most metallic.
Fr, Pb, Si, P, Ba, Se
Why is sodium preferable over potassium in industrial applications?
Which of the following—Ca, Br, K, Ga, or Se—is the least metallic element?