Reeves Chem Review 2

Front

What do all elements with 7 electrons in their outer shell have in common?

Back

They are all in Group 17 (the halogens) of the periodic table.

Front

What is the net charge of an ionic compound?

Back

The net charge of an ionic compound, like sodium chloride (NaCl), is 0.

Front

How many valence electrons does a neutral atom of Oxygen (O) have?

Back

A neutral atom of Oxygen has 6 valence electrons.

Front

How does sodium obey the octet rule when forming compounds?

Back

Sodium obeys the octet rule by giving up one electron.

Front

What holds salt crystals, such as NaCl, together?

Back

Salt crystals are held together by the strong attraction between cations and neighboring anions.

Front

Define valence electrons.

Back

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

Front

What is the octet rule?

Back

The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full outer shell of 8 electrons.

Front

What is an ionic bond?

Back

An ionic bond is a type of chemical bond formed through the electrostatic attraction between oppositely charged ions.

Front

What is the significance of the periodic table in chemistry?

Back

The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.

Front

What are cations and anions?

Back

Cations are positively charged ions, while anions are negatively charged ions.