Chemistry, 03.11.2020 18:40 maddied2443
The isotope of an atom containing 31 protons and 39 neutrons suddenly has two neutrons added to it.
What isotope is created?
Yttrium-72
Gallium-72
Gallium-41
Yttrium-41
Answers: 2
Chemistry, 21.06.2019 22:20
Calcium hydride (cah2) reacts with water to form hydrogen gas: cah2(s) + 2h2o(l) → ca(oh)2(aq) + 2h2(g) how many grams of cah2 are needed to generate 45.0 l of h2 gas at a pressure of 0.995 atm and a temperature of 32 °c?
Answers: 2
Chemistry, 22.06.2019 02:00
What is the volume occupied by 10.0 dm3 of gas at standard pressure after it has been compressedat constant temputure to 500.0 kpa?
Answers: 1
Chemistry, 22.06.2019 05:30
What type of reaction is shown below? check all that apply. 2h2o2 → 2h2o + o2 synthesis decomposition combustion
Answers: 3
Chemistry, 22.06.2019 06:00
What type of electromagnetic radiation has a shorter wavelength than blue light
Answers: 2
The isotope of an atom containing 31 protons and 39 neutrons suddenly has two neutrons added to it....
History, 26.06.2019 09:30
History, 26.06.2019 09:30
Mathematics, 26.06.2019 09:30
Social Studies, 26.06.2019 09:30
Health, 26.06.2019 09:30
Biology, 26.06.2019 09:30