element identity proton nucleon number

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In an atom, adding number of protons and neutrons

In an atom, adding number of protons and neutrons
  • A. number of electrons can be obtained
  • B. number of nucleons can be obtained
  • C. atomic number of element can be obtained
  • D. number of positrons can be obtained
  • Correct Answer: Option B

Number of protons in sodium are 11. number of electrons in outermost shell will be

Number of protons in sodium are 11. number of electrons in outermost shell will be
  • A. 1
  • B. 2
  • C. 3
  • D. 8
  • Correct Answer: Option A

If number of protons and electrons are 8 respectively, valence electrons are

If number of protons and electrons are 8 respectively, valence electrons are
  • A. 2 in number
  • B. 4 in number
  • C. 6 in number
  • D. 8 in number
  • Correct Answer: Option C

If nucleon (mass) and proton (atomic) number is 40 and 20 respectively, element is

If nucleon (mass) and proton (atomic) number is 40 and 20 respectively, element is
  • A. chlorine
  • B. phosphorus
  • C. potassium
  • D. calcium
  • Correct Answer: Option D

Purpose of a mass spectrometer is to

Purpose of a mass spectrometer is to
  • A. determine charge of a particle
  • B. determine particles
  • C. determine mass of an atom
  • D. provide data for data loggers
  • Correct Answer: Option C