2. Atoms & Elements

Which classification best describes the element boron on the periodic table?

Which of the following lists consists only of metals?

Which of the following lists contains only metalloids?

How was Mendeleev's periodic table originally arranged?

Which of the following household items is most likely to contain materials made from metalloid elements?

Which of the following is NOT a characteristic of metals?

What is the primary significance of the periodic table of elements?

How was the first periodic table, created by Dmitri Mendeleev, primarily arranged?

Which category of elements on the periodic table is typically malleable and ductile?

Which type of element makes up the majority of the periodic table?

Which of the following elements is classified as a metalloid on the periodic table?

Which statement best describes the nature of most new elements added to the periodic table in the last hundred years?

Why are there more substances found on Earth than the number of elements listed on the periodic table?

Which of the following elements is classified as a metalloid?

Which of the following elements is classified as a metalloid?