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8G Science HW#12: Lesson 2.3 and 2.4

Total questions: 10

Worksheet time: 3hrs 30mins

Name
Class
Date
1.

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

a)

Ion

b)

Polyatomic atom

c)

Molecules

d)

Particles

2.

A bond between two oppositely charged ions is called ____.

a)

Double Bond

b)

Ionic Bond

c)

Covalent Bond

d)

Chemical Bond

3.

An ions with more than one atom is called ____.

a)

Ion

b)

Partcles

c)

Molecules

d)

Polyatomic atom

4.

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

a)

Double Bond

b)

Ionic Bond

c)

Covalent Bond

d)

Chemical Bond

5.

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

a)

Double Bond

b)

Ionic Bond

c)

Covalent Bond

d)

Chemical Bond

6.

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

a)

Molecular

b)

Chemical

c)

Structural

d)

Inorganic

7.

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

a)

Polar

b)

Nonpolar

8.

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

a)

Polar

b)

Nonpolar

9.

TRUE or FALSE:

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

a)

TRUE

b)

FALSE

10.

TRUE or FALSE:

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

a)

TRUE

b)

FALSE