2. Atoms & Elements

Which of the following elements is classified as a metalloid?

Which category of elements is located between the metals and nonmetals on the periodic table?

Which of the following elements has the highest electronegativity?

Which of the following is a characteristic property that distinguishes metals from nonmetals on the periodic table?

How did Dmitri Mendeleev arrange the elements in his original periodic table?

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

Which system did Dmitri Mendeleev use to arrange the elements in his periodic table according to their properties?

How did Dmitri Mendeleev arrange the elements in his first periodic table?

Which group of elements contains a metalloid?

In the context of the periodic table, what does it mean that the relationship among elements is 'periodic'?

How are the elements on the modern periodic table arranged?

Which of the following is a characteristic of the modern periodic table?

How are the elements arranged in the modern periodic table?

Which pair of elements together make up approximately seven percent of the Earth's crust?

Who is credited with developing the modern periodic table?