Saturday
March 28, 2015

Homework Help: Chemistry please check

Posted by Mary on Friday, February 15, 2008 at 11:35pm.

1. All of the naturally occurring radioactive decay series end when the radioactive elements have decayed to

bismuth (Bi)
hydrogen (H)
lead (Pb)
uranium (U)

answer: Uranium (U)

2. This type of radiation can easily pass through a human.

gamma
ultra-violet
beta
alpha

answer: gamma

3. This type of radiation is really the nucleus of a helium atom.

alpha
gamma
beta
proton

answer: alpha

4. As the size of nuclei increases, the ratio of neutrons to protons in the band of stability increases to

3 to 1
1.25 to 1
2 to 1
1.5 to 1

answer: 1.5 to 1

Answer this Question

First Name:
School Subject:
Answer:

Related Questions

science - Calculate the uranium ratios in the natural uranium decay chain using ...
Science - When Marie Curie isolated uranium from pitchblende, she realized that ...
Science - When Marie Curie Isolated uranium from pitchable, she realized that ...
Physical science - Why can't naturally occuring uranium be used in a nuclear ...
Science - How does radioactivity make it possible to understand how Earth can be...
earth science - How is the decaying of radioactive uranium into lead used to ...
Physical Science - 3. Radioactive decay of nuclei often involves several decays ...
Science - Look at the table of radioactive isotypes below. Isotype Type of Decay...
Chemistry - If the half-life of uranium-235 is 7.04 (times) 10 (to the eight ...
Chemistry - If the half-life of uranium-235 is 7.04 (times) 10 (to the eight ...

Members