The Periodic Table Flashcards
1
Q
How did Mendeleev arrange the elements?
A
He began with sorting them into groups of elements with similar properties.
He then arranged them by atomic mass and a pattern appeared, he then put elements with similar properties in columns.
A few elements need up in wrong columns so he left gaps for elements that may not have been discovered
2
Q
Where are the reactive metals on the periodic table?
A
The left
3
Q
Where are the transition metals on he periodic table?
A
The middle section
4
Q
Where are the non metals?
A
The right
5
Q
Where are the noble gases?
A
The right column
6
Q
What are the rows called?
A
Periods
7
Q
What are the columns called?
A
Groups
8
Q
How many electrons in the outer shell do elements in group 1 have?
A
1
9
Q
How many electrons in the outer shell do elements in group 0 have?
A
8
