8.5 Atoms and The Periodic Table

Front

A pure substance that cannot be separated into simpler substances by physical or chemical means.

Back

element

Front

The columns on a Periodic Table that arrange the elements by the number of electrons that are in the outer most shell.

Back

Groups

Front

The rows in The Periodic Table that classify the elements by the number of the electron shells.

Back

Periods

Front

Which statement is true?

• Most elements are non-metalloids
• Most elements are transition metals
• Most elements are noble gases
• Most elements are metals

Back

Most elements are metals.

Front

Which pair of elements would have the same number of valence electrons? Options: Lithium and Beryllium, Magnesium and Sodium, Lithium and Sodium, Magnesium and Lithium

Back

Lithium and Sodium

Front

When moving down a column in the Periodic Table, which of the following increases?

• Number of valence electrons
• Melting point of the element
• Possible number of bonds formed
• Metallic character of the element

Back

Metallic character of the element

Front

Which element would have similar properties to Sulfur? Options: Nitrogen, Oxygen, Fluorine, Chlorine

Back

Oxygen

Front

Which of the following is decreasing as you move from left to right across this portion of the Periodic Table? Atomic Number, Metallic Character, Number of Atomic Orbitals, Number of Valence Electrons

Back

Metallic Character

Front

Location (color) of nonmetals on the Periodic Table?

Back

blue

Front

The electrons in the outermost energy level of an atom that influence how an element will react with other substances.

Back

Valence electrons