The Periodic Table Flashcards
1
Q
What is the periodic table?
A
The periodic table is a table of chemical elements arranged in order of atomic number. (The elements are placed in order by the number of protons)
2
Q
How many elements in the periodic table?
A
118
3
Q
What scientist tried to sort the elements in 1865?
A
John newlands
4
Q
Why is it called a periodic table?
A
Table of regular patters
5
Q
What is the family name in group 1?
A
Alkali
6
Q
What is family name in group 2?
A
Alkaline
7
Q
What is family name for group 17?
A
Halogens
8
Q
What is family name for group 18?
A
Noble
9
Q
What are the rows called?
A
Periods
10
Q
What are the vertical columns of elements called?
A
Groups
11
Q
What are the 3 parts of the brain?
A
- The cerebrum
- Cerebellum
- Brain stem
