Which planet is the smallest and the closest to the Sun? A. Earth B. Mars C. Mercury D. Venus

2. Convert 340,000 to scientific notation

41 to Question 41 Review A 1.00-mole sample of neon gas occupies a volume of 24.4 liters at 298 K and 101.3 kilopascals. Which numerical setup can be used to calculate the density of this sample? 20.1798 1 mole 20.179 8 2241 20.

A radioactive isotope has a half-life of 3 hours. If a scientist has 30 grams of the isotope, how much is left after 15 hours

Aluminum, carbon, and calcium are examples of what type of matter? Element Heterogeneous Mixture Compound Solution

The major warm ocean currents tend to move A) clockwise. B) counter-clockwise. C) from higher to lower latitudes. D) from lower to higher latitudes

What would make bromine a group 17 element more similar to a noble gas

Use the following chemicals. ethanol, hexane, butanone, water, benzene, diethyl ether, ethyl acetate, acetone 4. Rank the solvents based on polarity, smallest to largest.

How long will it take for the concentration of xy to decrease to 12.5% of its initial concentration when the initial concentration is 0.100?

Which has a higher energy level 6d or 5s?

How far is the Earth for the moon?