In a particles are not visible with normal magnification

Will mark brainliest26. which of these statements are true? (3 points)a. gases are compressibleb. gases fill their containers completelyc. the pressure of a gas is independent of the temperatured. gases have masse. gases exert pressuref. the pressure of a gas is dependent on the volumeg. gas pressure results from the collisions between gas particlesh. gases have a definite volume and shape

This is a characteristic of the elements in the periodic table that shows a pattern. it may increase or decrease across or down the table.

Astudent reacts 13 moles of iron with 21 moles of oxygen according to the following equation: