Top Posters
Since Sunday
18
s
5
C
4
j
4
s
4
W
3
a
3
H
3
s
3
a
3
o
3
K
3
Home Q & A Board Science-Related Homework Help Chemistry (Moderator: Laser_3)
New Topic  
nevada nevada
wrote...
Go to Answer
Posts: 116
Rep: 0 0
9 years ago
which if the following statement is false

a. the process of splitting a heavy nucleus into two nuclei with smaller mass number is called fission

b. A beta particle is a particle with the same mass as the election but opposite charge

c. nitrogen can be changed into oxygen by bombarding it with alpha particles

d.archeologist use radioactivity to determine the age of some artifacts and rocks

e. all of the above true


i think the answer is 

b. A beta particle is a particle with the same mass as the election but opposite charge ?



2. radioactivity is not useful for

a. dating artifacts and rocks
b. producing electricity
c.tracing pathways in biological systems
d.making chemicals like sulfuric acid
e. radioactivity is useful for all of the above

this question i don't really know but i think is d.making chemicals like sulfuric acid or E

because it it used for dating artifacts, it can be use in the body to see is something it wrong and it also produce  electricity
Read 413 times
1 Reply
Replies
Answer accepted by topic starter
Laser_3Laser_3
wrote...
#1
Subject Expert
Posts: 303
Rep: 97 0
9 years ago
Sign in or Sign up in seconds to unlock everything for free
Hi nevada,

I think you're right on the first one. Beta particle could be a positron or an electron, depending on the type of beta decay.
On the second one, I would choose E, too

Best,
Laser
1

Related Topics
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  97 People Browsing
 293 Signed Up Today
Start New Topic Take the Tour Study Tips Study ToolsNew Topics Trending Browse by Textbook
Related Images
  
 3240
  
 523
  
 114
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 6
Previous poll results: Does a gender wage gap exist in America?