Answer:
- atomic number
- electron
- element
- atom
- neutron
- nucleus
- proton
Explanation:
1. number of protons in an atom — atomic number
2. negatively charged particle circling nucleus — electron
3. matter made up of just one type of atom — element
4. building block of matter — atom
5. neutrally charged particle nucleus — neutron
6. center of the atom made up of protons and neutrons — nucleus
7. positively charged particle in the nucleus — proton
Often or very
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"All of a sudden..." is a transition that shows suspense. It says something happened, but it didn't happen with any warning and it doesn't tell the reader up front what went on or if it was good or bad.
When speaking the sentence out loud, it feels most natural to place the comma after large.
The answer is B. because, the other answers have random comas, while sentence B. Uses no random comas and correctly placed periods.
