This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The shape and size of a nucleus can best be described as a. A perfect sphere of diameter 0.4 nm. ... (Read 34 times)

tuffie

  • Hero Member
  • *****
  • Posts: 534
on: Jul 28, 2018
The shape and size of a nucleus can best be described as
  a. A perfect sphere of diameter 0.4 nm.
  b. A perfect sphere of diameter 4 x 10-18 m.
  c. A roughly spherical shape of diameter 4 x 10-18 m.
  d. A roughly spherical shape of diameter 4 fm.

Question 2

Who among the following persons did not play an important role in the discovery of the neutron?
 
a. Henri Becquerel
  b. Walter Bothe and Herbert Becker
  c. James Chadwick
  d. Irene Curie and Frederic Joliot


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

fffftttt

  • Sr. Member
  • ****
  • Posts: 322
Reply #1 on: Jul 28, 2018
Answer to Question 1

e. this is about the right size and description.

Answer to Question 2

Henri Becquerel was responsible for discovering the first radiation, which was not neutrons but rather alpha and beta particles.
a.


tuffie

  • Member
  • Posts: 534
Reply 2 on: Jul 28, 2018
Wow, this really help

jackie

  • Member
  • Posts: 324
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

Did you know?

The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

Did you know?

GI conditions that will keep you out of the U.S. armed services include ulcers, varices, fistulas, esophagitis, gastritis, congenital abnormalities, inflammatory bowel disease, enteritis, colitis, proctitis, duodenal diverticula, malabsorption syndromes, hepatitis, cirrhosis, cysts, abscesses, pancreatitis, polyps, certain hemorrhoids, splenomegaly, hernias, recent abdominal surgery, GI bypass or stomach stapling, and artificial GI openings.

Did you know?

The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

The nucleus of Halley's Comet, taken by the Giotto probe in 1986 The nucleus of Halley's Comet, taken by the Giotto probe in 1986
Human mitotic metaphase chromosomes are identified by size, centromere location, and banding pattern Human mitotic metaphase chromosomes are identified by size, centromere location, and banding pattern
A wheel of diameter 0.70 m rolls on the floor without slipping. A point at the top of the wheel ... A wheel of diameter 0.70 m rolls on the floor without slipping. A point at the top of the wheel ...
Chromosome shape Chromosome shape
Video: Dorsal Recumbent Position

For a complete list of videos, visit our video library