0 votes
424 views
in Chapter 4: Structure of Atom by (98.9k points)
edited
Substance Mass Number Number of
Protons Neutrons Electrons
Carbon-14        
Lead-208        
Chlorine-35        
Uranium-238        
Oxygen-18        
Radium-223        

1 Answer

0 votes
by (98.9k points)
selected by
 
Best answer
Substance Mass Number Number of
Protons Neutrons Electrons
Carbon-14 14 6 8 6
Lead-208 208 82 126 82
Chlorine-35 35 17 18 17
Uranium-238 238 92 146 92
Oxygen-18 18 8 10 8
Radium-223 223 88 135 88

Related questions

0 votes
1 answer 673 views
0 votes
0 answers 126 views
0 votes
0 answers 168 views

Doubtly is an online community for engineering students, offering:

  • Free viva questions PDFs
  • Previous year question papers (PYQs)
  • Academic doubt solutions
  • Expert-guided solutions

Get the pro version for free by logging in!

5.7k questions

5.1k answers

108 comments

557 users

...