If 19.9% of Boron is Boron-10 and 80.1% is Boron-11, what is the average atomic mass? 10.199 amu
O 10.233 amu
O 10.801 amu
O 11.245 amu

Ithe undersigned only for use your own email and delete any and copies and of the itself and to be there is a good timewhat does a decrease in temperature indicate about the molecules in a sample of liquid water? decreased chemical energy of the moleculesdecreased kinetic energy of the moleculesincreased chemical energy of the moleculesincreased kinetic energy of the moleculeshow does a sample of helium at 15 â°c compare to a sample of helium at 215 k? the helium at 15 â°c has a higher average kinetic energy than the sample at 215 k.the helium at 15 â°c has lower nuclear energy than the sample at 215 k.the helium at 15 â°c has slower-moving atoms than the sample at 215 k.the helium at 15 â°c has smaller atoms than the sample at 215 k.

Answers are 1,2,4 its correct on edgenuity.

Answer///an early form of the atomic theory; dalton atomic theory;

The answer is c.  h+  and oh−  react to form water (h2o). i just took the test and i got it right. hope this !