Question

1. choose the best answer.

which of these element groups includes many metals like copper, silver, and gold?
alkaline earth
alkali
transition

Explanation:

Alkaline earth metals (Group 2) include elements like magnesium and calcium. Alkali metals (Group 1) include elements like sodium and potassium. Transition metals (Groups 3 - 12) include metals such as copper (Cu), silver (Ag), and gold (Au).

Answer:

transition