Periods and Groups Flashcards
1
Q
What is a period?
A
The horizontal rows in the periodic table that signify the number of electron shells in an element.
2
Q
What is a group?
A
The vertical column of the periodic table that signifies the number of valence electrons in an element
3
Q
What is are families?
A
Elements that have the same number of valence electrons and therefore similar properties.
