The two most abundant isotopes of boron are 10b and 11b, with 11b being about 4 times more abundant. in the mass spectrum of trimethylborate [(ch3o)3b], a. the peak at m/z 103 has an intensity which is 1/4 the intensity of the peak at m/z 104 b. the peaks at m/z 103 and m/z 104 have equivalent intensities c. the peak at m/z 103 has an intensity which is 4 times that of the m/z 104 peak d. none of the above

What determines the average kinetic energy of the particles in a gas? a. the number of collisions b. the number of particles c. the size of the particles d. the temperature

Which of the following nuclei would be the least stable a 2 protons, 2 neutrons b 1 proton 1 neutron c 1 proton 3 neutrons d 1 proton 2 neutrons

Need asap question 1 minerals are organic compounds. true false question 2 what vitamin can be found in foods like oranges, grapefruits, and broccoli? a. vitamin a b. vitamin k c.vitamin c d. vitamin d question 3 what are minerals? a. chemical elements that are needed for body processes. b. organic compounds that the body needs in small amounts to function properly. c. small molecules used to build proteins. d. an organic compound that is insoluble in water and includes fats. question 4 how many types of vitamins does the human body need? a. 15 b. 11 c. 13 d. 17 question 5 vitamins are a good source of energy. true false