Fill in the blanks in the following sentences using words from the following response list:

Items in the response list may be used more than once or need not be used at all.
-The __________ of an atom contains protons and __________.

Question

Fill in the blanks in the following sentences using words from the following response list:
  
Items in the response list may be used more than once or need not be used at all.
-The __________ of an atom contains protons and __________.

Quizplus · Accepted Answer

The Answer of Fill in the blanks in the following sentences using words from the following response list:
  
Items in the response list may be used more than once or need not be used at all.
-The __________ of an atom contains protons and __________.

Fill in the Blanks in the Following Sentences Using Words