Answer: Metalloids are best known for being <u>semi-conductors</u>
Explanation:
<em><u>Larger molecules take longer to move up the chromatography paper or TLC plate, whereas smaller molecules are more mobile. Likewise, the polarity of the molecules can affect how far the spots travel, depending on the type of solvent used.</u></em>

Answer:it reacts chemically to produce heat and gas with rapid expansion of matter. It is a rapid chemical reaction
Explanation:
Answer:
kinetic energy
Explanation:
all moving objects have kinetic energy. when an object is an motion it changes its position by moving in a direction: up,down, forward, or backward