The Early and Modern Periodic Table

Which group of elements were not included at all in Mendeleeve's table?

In the modern periodic table, what do elements in the same group all have in common?

What are the rows on the table called?

Which of the following is a halogen?

As well as the same number of electrons in outer shell, elements in the same group also have...

What was the key difference between Mendeleev's periodic table and Newlands'?

How are the atoms in the modern periodic table arranged?

How did Newlands attempt to classify the elements?

What discovery lead to a change in the order of the elements in the periodic table?

What are the group 1 metals usually called?

What are the columns on the table called?

Newland found each element had similar properties to the one 8 places along, what is the law?

What is the atomic number of an element?