Periodic Table Flashcard

Front

Which group in the periodic table contains the noble gases?

Back

Group 18

Front

What are the elements in Group 1 of the periodic table commonly known as?

Back

Alkali metals

Front

Which of the following elements is a halogen? Helium (He), Chlorine (Cl), Sodium (Na), Iron (Fe)

Back

Chlorine (Cl)

Front

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

Back

Metalloids

Front

What is an element?

Back

A substance composed of one type of atom

Front

Which of the following statements is true about elements?
They can be broken down into simpler substances,
They are infinite in number,
They are fundamental building blocks of matter,
They do not combine to form compounds

Back

They are fundamental building blocks of matter

Front

How do elements combine?

Back

They combine to form all compounds.

Front

By what year were 63 elements discovered?

Back

1869

Front

Who discovered repeating patterns in the elements?

Back

Dmitri Mendeleev

Front

How did Dmitri Mendeleev organize the elements?

Back

By increasing atomic mass