Catheryn Catheryn
  • 03-09-2014
  • Chemistry
contestada

How many neutrons are probably in the nucleus of an element of atomic weight 197? 
a. 43
b. 79 
c. 83 
d. 100 
e. 118

Respuesta :

pyromorphite
pyromorphite pyromorphite
  • 04-09-2014
atomic weight = 197
symbol = Au
electrons = 79

neutrons = 197 - 79 = 118

answer: E
Answer Link

Otras preguntas

To divide 572 divided by 4 Stanley estimated to place the first digit of the quotient. In which place is the first digit of the quotient?
What is the fraction 15/20 in its simplest form
T/F:Most of the energy we use today comes from renewable sources.
Name the property of real numbers illustrated by the equation. [tex] \pi +10 = 10 + \pi [/tex]
Rough ER is connected to the system membrana and to
How was Mussolini able to gain power in Italy?
How do I graph linear equations?
The cellular process in which materials are moved across a membrane from an area of low concentration to an area of high concentration is called
What is the predicate noun? What is the word in the subject that it renames? 3) Even though Hope likes every kind of ice cream, chocolate is her favorite flavor
he needs 2,000 but has 832