2. Atoms & Elements

What are the rows of the periodic table called?

Which significant scientific contribution is Dmitri Mendeleev best known for?

In the modern periodic table, which group contains the noble gases?

Which achievement is Dmitri Mendeleev best known for?

Which of the following best describes the characteristics of metalloids on the periodic table?

How many elements occur naturally on the periodic table?

How are the elements arranged on the periodic table?

How are the elements in the periodic table primarily arranged?

Which of the following elements is classified as a metalloid?

Which of the following best describes a key difference between Mendeleev's periodic table and Meyer's periodic table?

Which of the following elements is classified as a metal?

When looking at the periodic table, which of the following elements is classified as a metalloid?

How many elements are present in the lanthanide series of the periodic table?

How are elements arranged in the modern periodic table?

Which of the following groups of elements typically exhibit luster (are shiny)?