Sviversoalls
Sviversoalls Sviversoalls
  • 06-07-2016
  • Physics
contestada

if an element has the atomic mass (a) of 80 and its atomic number (z) is 35, how many neutrons does it have?

Respuesta :

olemakpadu
olemakpadu olemakpadu
  • 06-07-2016
Mass number, A = 80

Atomic number Z = 35,

Mass Number = Number of Protons + Number of Neutrons

80 = 35 + Number of Neutrons

Number of Neutrons = 80 - 35 = 45
Answer Link

Otras preguntas

You are told that having a college education increases a person's earnings by 30% over their lifetime. A non-college graduate earns about $30,000 per year. How
Who was known as the “king who lost America”? A. Henry VIII B. James II C. Edward VI D. George III
Poignant is another word for ______________. a. emotional c. sick b. tired d. angry
“Setting” refers to the __________ of a given work of literature.
Recovery sleep is necessary when sleep is put off for a while. TF
Which of the following is NOT an effective way to control hypertension? A. Increase caloric intake B. Weight loss C. Regular exercise D. Reduce sodium intake
Which of these organisms would be a producer? A. fish B. grasshopper C. flower D. snake
Who was called the "king of swing"?
the more common name for ovum is an
Which of the following officials heads the State Department? A. Speaker of the House B. Attorney General C. Secretary of State D. Chief of State