rachelfugere00 rachelfugere00
  • 03-04-2017
  • Physics
contestada

How many neutrons does element X have if its atomic number is 40 and its mass number is 160?

Respuesta :

dellaM dellaM
  • 03-04-2017
160-40 = 120 ................
Answer Link

Otras preguntas

A list of books about a particular subject or field of study is called what
1. A _____________ is a model of reality that helps us understand, explain, predict, and control that reality. (1 point) personality theory goal scientific
___________ focus on how people use messages to influence each other in various contexts and cultures, using a variety of media. A. Public speakers B. Radio pe
Augustus is an important figure in Roman history because he __________. A.) abolished the Senate and assumed its powers B.) greatly increased Rome's empire by m
Examine the usage of the words bequeath and posterity in this excerpt from Thomas Paine's Common Sense. Then complete the sentences that follow. The authority
Change the fraction 93/1,000 to a decimal. A. 0.00093 B. 0.93 C. 0.0093 D. 0.093
What role does advertising play in lives of youth?
If the equation of a circle is (x + 4)2 + (y - 6)2 = 25, its center point is (4, 6) (-4, 6) (4, -6)
Find the value of 0.34 × 9. A. 3.21 B. 3.06 C. 306.0 D. 32.1
Which type of organism is E. coli? restriction organism recombinant organism transgenic organism vector organism