2. Atoms & Elements

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

How was Mendeleev's periodic table originally arranged?

Which of the following elements is classified as a nonmetal?

Which scientist is credited with creating the periodic table by arranging elements in order of increasing atomic mass?

Based on the periodic table, which of the following elements is classified as a metalloid?

In the periodic table, what are the rows called?

Which of the following elements is classified as a metalloid?

How are the elements in the modern periodic table arranged?

An element has the following properties: it is a shiny, good conductor of electricity, and reacts vigorously with water. Where on the periodic table would this element most likely be found?

Which feature distinguished Mendeleev's periodic table from other early arrangements of the elements?

How many elements are classified as metalloids on the periodic table?

Which pair of elements is most likely to have similar chemical properties?

Which scientist is most commonly credited with inventing the periodic table?

How are atoms arranged in the modern periodic table?

Which of the following elements is classified as a metalloid?