Question

quiz_chap 3_periodic table
in what part of the periodic table are elements that are gases at room temperature generally located?
○ upper left
○ lower left
○ lower right
○ upper right

Explanation:

Elements that are gases at room temperature are generally non - metals. In the periodic table, non - metals are located in the upper right part. Metals are mainly in the lower left and middle, and metalloids are along the stair - step line. The upper left part has some reactive metals.

Answer:

upper right