Concept 7: Arrangement of the periodic table Flashcards
1
Q
How are elements arranged in the periodic table?
A
- increasing atomic number
- Hydrogen on the left has atomic number one
2
Q
What is a period?
A
- Horizontal row running from left to right.
- seven rows
3
Q
what is a group?
A
- vertical column
4
Q
Define groups?
A
- groups have elements with similar physical and chemical properties
5
Q
types of groups?
A
- there are group A & B
6
Q
how many groups in group A?
A
- eight
7
Q
what do we call A groups
A
- representative elements
8
Q
what do we call B groups?
A
- transition elements
9
Q
Most common elements in this course?
A
- Oxygen (O)
- carbon (C)
- hydrogen (H)
- nitrogen (N)
10
Q
Define noble gases
A
- Neither donate nor accept electrons
- atoms are already stable
11
Q
Reversed Cards
- increasing atomic number
- Hydrogen on the left has atomic number one
A
How are elements arranged in the periodic table?
12
Q
Reversed Cards
- Horizontal row running from left to right.
- seven rows
A
What is a period?
13
Q
Reversed Cards
- vertical column
A
what is a group?
14
Q
Reversed Cards
- groups have elements with similar physical and chemical properties
A
Define groups?
15
Q
Reversed Cards
- there are group A & B
A
types of groups?
