Moving from the element with atomic number 10 to atomic number 11 on the periodic table, there is a change in reactivity. Which of the following are true? Select all that apply.
A. reactivity increases
B. reactivity decreases
C. neon has another shell (energy level, orbit), meaning the atom will be larger
D. sodium has another shell (energy level, orbit), meaning the atom will be larger
E. valence electrons in sodium are farther from the nucleus
F. atomic number 11 does not have a full electron shell.



Answer :

Moving from the element with atomic number 10 to atomic number 11 on the periodic table, the following which are true include the following:

A. reactivity increases

C. neon has another shell (energy level, orbit), meaning the atom will be larger.

E. valence electrons in sodium are farther from the nucleus

F. atomic number 11 does not have a full electron shell.

What is Periodic table?

This is referred to as the tabular arrangement of elements into rows which is referred to as period or column which is referred to as group.

The reactivity increases in this scenario and atomic number 11 does not have a full electron shell because there is one valence electron which means it doesn't have stable octet configuration.

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