Periodic Table 10B

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in forming bonds with other atoms.

Front

How many valence electrons does an element in Group 3 have?

Back

3 valence electrons.

Front

What is a group in the periodic table?

Back

A group is a vertical column in the periodic table where elements have similar chemical properties.

Front

What is the modern periodic table arranged by?

Back

The modern periodic table is arranged by atomic number.

Front

What are the three main classifications of elements in the periodic table?

Back

Metals, Nonmetals, and Metalloids.

Front

What is the most abundant type of element on the periodic table?

Back

Metals.

Front

What element is represented by the symbol 'Na'?

Back

Sodium.

Front

What is the significance of atomic number in the periodic table?

Back

The atomic number represents the number of protons in an atom's nucleus and determines the element's identity.

Front

What are metalloids?

Back

Metalloids are elements that have properties of both metals and nonmetals.

Front

Which group contains the noble gases?

Back

Group 18.