Chapter 7 - Periodicity Flashcards
Module 3
1
Q
How are elements arranged?
A
They are arranged in order of increasing atomic number.
2
Q
What are groups?
A
They are vertical columns that elements are arranged in.
3
Q
What are periods?
A
They are horizontal rows that elements are arranged in.
4
Q
What do periods give?
A
The highest number of energy electron shells in an element’s atom.
5
Q
What is periodicity?
A
The repeating trend in properties of the elements across a period.
