Need !
which of the following is the smallest in mass?
question 1 options: electron nucleus neutron proton
question 2 (1 point) what does the electron cloud model describe?
question 2 options: rapidly moving neutrons rapidly moving nucleus rapidly moving protons rapidly moving electrons
question 3 (1 point) which statement is completely accurate?
question 3 options: atoms of the same element always have different numbers of neutrons. atoms of the same element can have different numbers of neutrons. atoms of the same element can have neutrons but exist without protons. atoms of the same element always have different atomic weights.
question 4 (1 point) if an oxygen atom has 8 protons in its nucleus, what is its atomic number?
question 4 options: 4 6 8 12
question 5 (1 point) if an oxygen isotope has 8 protons and 10 neutrons in its nucleus, what is its atomic mass?
question 5 options: not enough information to calculate 18 8 10
Answers: 1
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Need !
which of the following is the smallest in mass?
question 1 options...
which of the following is the smallest in mass?
question 1 options...
Computers and Technology, 07.08.2019 06:10
Computers and Technology, 07.08.2019 06:10