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avaasadi avaasadi
wrote...
Posts: 447
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6 years ago
The atomic number denotes the number of ____ in an atom of a particular element.
  a. electrons
  b. neutrons
  c. energy levels
  d. protons
  e. isotopes

Question 2

Which element is not one of the four most common elements found in organisms?
  a. hydrogen
  b. oxygen
  c. carbon
  d. helium
  e. nitrogen
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Replies
wrote...
6 years ago
Answer to q. 1

ANSWER: d

Answer to q. 2

ANSWER: d
avaasadi Author
wrote...
6 years ago
Love when things are free, so much better than CourseHero
wrote...
6 years ago
tell your friends and feel free to ask more questions
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