10 mL of water was added to each of three test tubes. 8 grams of solid #1 dissolved completely in test tube #1. Only 1 gram of solid #2 dissolved completely in test tube #2. None of solid #3 dissolved in test tube number three. The relative solubilities of the three solid in water can be described as:

An alcohol thermometer makes use of alcohol's changing in order to measure temperature. as the temperature goes up, the alcohol contained in the thermometer increases in volume, filling more of the thermometer's tube.

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.

The number to the right of an element's symbol (ex. c-12) identifies the of an isotope.