hannasavan7658 hannasavan7658
  • 10-06-2018
  • Computers and Technology
contestada

since helium has an atomic number of 2 and an weight of 4, we know it must contain ____ nuetrons
A.6
B.4
C.2

Respuesta :

erber123
erber123 erber123
  • 10-06-2018
The answer is : C. 2 Neutrons
Answer Link

Otras preguntas

what is an autobiographical writing
a gram is what fraction of a kilogram
Which is a cause of mechanical weathering? A. carbonic acid B. wind C. hydrolysis D. oxidation
Why can we still see craters on the moon even though they were formed by ancient meteor collisions?
On the children's baseball field shown, the distance from the pitcher's mound to home plate is 50 feet. The distance from the pitcher's mound to first base is 3
A cup of cereal can contain 480 milligrams of salt, which is 20% of the recommended daily amount. What is the recommended daily amount of salt?
In mitosis, chromatids line up in the middle of the cell during _____. prophase metaphase anaphase telophase
What is the best interpretation of this poster? A. To win the Cold War, all European nations must cooperate. B. With the United States as the core, Europe can r
how to find a power in rectangular form
Which economic system has become associated with authoritarian governments and total control of the economy? capitalism mercantilism communism socialism barter