What's the hydroxide ion concentration of a solution with a pH of 3.0

1. Which is the number of neutrons in 35 80 Br

Which force keeps the planets revolving around the Sun? A. weak nuclear force B. gravitational force C. electromagnetic force D. strong nuclear force

What bonds hold protons and neutrons together?

Which sentence describes two atoms that form an ionic bond? O A. Each atom has a large electronegativity. B. Each atom has a small electronegativity. O C. The difference in their electronegativities is less than 1.7. O D.

What observation led chadwick (and rutherford) to conclude there must be something besides just the proton in the nucleus of atoms?

What happens to the density of a fluid when it is cooled?

What ions would you expect to find when an acid dissolves in water?

What volume is occupied by 3.760 g of oxygen gas at a pressure of 88.4 kPa and a temperature of 19°C? Assume the oxygen is ideal. Use "8.314" for R. Hint: Convert 3.

You place a pan of water on the stove and turn on the heat. The water begins to boil. What is happening?

A camcorder has a power rating of 11 watts. If the output voltage from its battery is 8 volts, what current does it use?