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

04-09-2014

atomic weight = 197
symbol = Au
electrons = 79

neutrons = 197 - 79 = 118

answer: E

Answer Link

Otras preguntas

answer this I’m elimination using addition and subtraction form

2 Points How are government corporations similar to other corporations in the United States? A. They do not pay taxes B. They are run by boards of directors C

PLEASE HELP ME I'M BEING TIMED!! Jim is trying to determine the height of a flagpole using shadows. Jim is 6 feet tall and his shadow is 9 feet long. At the s

Five divided by three and one thirds

why does life in the sahara cluster around oases

Consumers sell goods or services for a profit. True False

0.3 as a decimal and percentage

why was andrew jackson well known

A bike ramp is constructed such that a 5-foot launching ramp makes a 30° angle with the ground.What is the measure of angle θ ?Enter your answer, as a decimal r

PLEASE, ASAP Ron is five years older than twice his cousin Pat’s age. The sum of their ages is less than 35. What is the greatest age that Pat could be?