The periodic table of elements classifies by period and group. The group is the
A) row
B) column
C) period
D) type of element
Correct Answer:
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Q40: An atom of oxygen (168O) has
A) eight
Q41: The electrons rotate around the nucleus at
Q42: Each electron shell has a specific limit
Q43: Atoms with the same atomic number but
Q44: The outermost shell of an atom can
Q46: Atoms in each period have the same
Q47: Each element has an unchanging number of
Q48: Atoms with the same number of protons
Q49: When the bond between two atoms is
Q50: Electron shells are the hard coating around
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