8G Science HW#12: Lesson 2.3 and 2.4

An atom or group of atoms that becomes electrically charged is called ____.

• Ion

• Polyatomic atom

• Molecules

• Particles

A bond between two oppositely charged ions is called ____.

• Double Bond

• Ionic Bond

• Covalent Bond

• Chemical Bond

An ions with more than one atom is called ____.

• Ion

• Partcles

• Molecules

• Polyatomic atom

A bond that forms between two atoms sharing their valence electrons is called ____.

• Double Bond

• Ionic Bond

• Covalent Bond

• Chemical Bond

A bond where two pairs of electrons are shared between atoms is called ____.

• Double Bond

• Ionic Bond

• Covalent Bond

• Chemical Bond

A compound consists of molecules having covalently bonded atoms is called _____.

• Molecular

• Chemical

• Structural

• Inorganic

A covalent bond where the electrons are shared unequally, creating a slight electric charge is called ___.

• Polar

• Nonpolar

The description of covalent bond in which electrons are shared equally is called ______.

• Polar

• Nonpolar

TRUE or FALSE:

Covalent compounds exist in the form of crystals made of many ions.

• TRUE

• FALSE

TRUE or FALSE:

Attractions between polar molecules are stronger than attractions between nonpolar molecules.

• TRUE

• FALSE