Rows and Columns
How many rows are there in the periodic table?
What is the first element in the periodic table?
Hydrogen
What side of the periodic table are metals found on?
Left side
What element is symbolized by “O”?
Oxygen
What's the first block?
The s-block
How many columns are there in the periodic table?
How is the modern periodic table arranged?
By increasing atomic number
Which of the three is the best conductor of electricity?
Metals
What is the lightest element on the periodic table?
Hydrogen
What is the middle block?
The d-block
What's another name for rows and columns?
Groups and periods
How did Mendeleev arrange his periodic table?
By increasing atomic mass
Which element family contains both metals and nonmetals?
Metalloids
Which group contains the most reactive metals?
Group 1 – Alkali metals
What is the block under the periodic table?
The f-block
What element would be on period 2, group 3A?
Boron
How many elements are there in the periodic table?
118
How do the properties of nonmetals differ from metals?
Nonmetals are dull, brittle, and poor conductors
Which group contains stable, nonreactive gases?
Group 18 – Noble Gases
What do the elements in blocks s and d have in common?
They're all metals excluding hydrogen.