annamikeska annamikeska
  • 01-02-2018
  • Chemistry
contestada

how many neutrons does element x have if its atomic number is 22 and its mass number is 84

Respuesta :

kanokiseki
kanokiseki kanokiseki
  • 04-02-2018
Mass Number (given as 84) = # of protons + # of neutrons

Atomic Number (given as 22) = # of protons

Plug in values to first equation:
84 = 22 + n (where n equals to # of neutrons)

Solve for n (subtract 22 from both sides)
84 - 22 = n

Answer: n = 62

Answer Link

Otras preguntas

The word philosophy comes from which Greek meaning
Which of the following is not a product of cellular respiration
Which best describes how scientists found the human gene tha make insulin?
Carter has bitten his fingernails to the point where his finger tips are constantly red and swollen. after meeting with a therapist, carter's parents have start
solve the equation 5( b+3) = b + 39
Dennis took 12 index cards and wrote the numbers 1-12 on them, one number on each card. He then collected the cards, shuffled them, and drew one card from the s
Which best describes how scientists found the human gene tha make insulin?
ext time you have problems, do not hesitate to call us. What should I replay?
What is a physical contamination
Which of these is the major difference between asexual and sexual reproduction in sea stars?