Periodic Table Flashcard

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.

Front

Which group in the periodic table contains elements with a full outer shell of electrons?

Back

Noble gases are known for having a full outer shell of electrons, making them very stable.

Front

What is the chemical symbol for Hydrogen?

Back

The chemical symbol for Hydrogen is H.

Front

What is NOT a property of noble gases?

Back

Noble gases are NOT highly reactive; they are very stable.

Front

What do elements in the same group of the periodic table have in common?

Back

Elements in the same group have similar chemical and physical properties.

Front

What is the significance of the periodic table's arrangement?

Back

The periodic table is arranged by increasing atomic number, which reflects the number of protons in an atom.

Front

What are alkali metals?

Back

Alkali metals are elements in Group 1 of the periodic table, known for being highly reactive.

Front

What is a valence electron?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in chemical bonding.

Front

What is the mass number of an atom?

Back

The mass number is the total number of protons and neutrons in the nucleus of an atom.

Front

What are transition metals?

Back

Transition metals are elements found in Groups 3-12 of the periodic table, known for their ability to form various oxidation states.