Pleas answer quick The most reactive metals are located in wwhich area of the periodic table?
A. top
B. far left
C. far right
D. center

Which compound contain an iron with a 3+ charge

When the speed of the bottle is 2 m/s, the average maximum height of the beanbag is m.

When the chemicals iron sulfide (fes) and hydrochloric acid (hcl) are combined, bubbles appear from the mixture. 1. does the appearance of bubbles indicate a physical or chemical change? 2. why do the bubbles indicate this change? 3. what property is this?