Which of the following isotopes has the same number of neutrons as carbon-14? (atomic number 6) *
o-15 (atomic # is 8)
n-14 (atomic # is 7)
o-16 (atomic # if 8) < this is the correct answer
f-19 (atomic # is 9)

Apiece of metal with a length of 1.42 cm was measured using four different instruments. which of the following measurements is the most accurate?

At 20°c, a sample of h2o liquid and a sample of co2 gas each have the same average kinetic energy. why is one a liquid and the other a gas at this temperature?

At 35.0°c and 3.00 atm pressure, a gas has a volume of 1.40 l. what pressure does the gas have at 0.00°c and a volume of 0.950 l? which equation should you use? p2= p1v1t2/t1v2what is the pressure of the gas? 3.92 atm these are the answers