How are elements organized on the periodic table?
*
3 points
alphabetical
atomic mass
atomic number
atomic symbol
TRUE or FALSE. There are more nonmetals than metals on the periodic table.
*
3 points
TRUE
FALSE
Which of the following statements about valence electrons and the periodic table is true?
*
4 points
The number of valence electrons decreases from left to right across each period.
The number of valence electrons increases from top to bottom within each group.
All of the elements in group 9 have nine valence electrons.
Elements with the most valence electrons are in group 18.
The elements on the periodic table are organized by atomic number, atomic symbol, and atomic mass. The elements are not organized alphabetically.
FALSE. There are more metals than nonmetals on the periodic table.
The statement that is true about valence electrons and the periodic table is: The number of valence electrons increases from top to bottom within each group.
Elements with the most valence electrons are not specifically in group 18, as there are elements with different numbers of valence electrons in other groups as well.