Chem - Periodic Table Flashcards
1
Q
The modern periodic table is arranged in …..
A
Increasing atomic number.
2
Q
Periods go ….
A
Across
3
Q
Groups go …..
A
Down
4
Q
What is a semi-metal?
A
An element with both metal and non metal properties.
5
Q
Mendeleev left ______ for the undiscovered elements.
A
Gaps