Free Printable Chemistry PIA

1.

force that holds two atoms together and makes them work as a unit

a)

Paulings

b)

Chemical bond

c)

Non polar covalent

d)

Polar covalent

2.

The units of electronegativty are arbitrarty units called..

a)

Polar covalent

b)

Non polar covalent

c)

Paulings

d)

Chemical bond

3.

Bond that has a electronegativty difference from 0 to 0.4

a)

Non polar covalent

b)

Polar covalent

c)

Chemical bond

d)

Ionic bond

4.

Bond that has a electronegativty difference from 0.5 to 1.8

a)

Chemical bond

b)

Non polar covalent

c)

Polar covalent

d)

Ionic bond

5.

Bond that has a electronegativty greater than 1.8

a)

Non polar covalent

b)

Ionic bond

c)

Polar covalent

d)

Chemical bond

6.

Substances formed by the combination of two or more atoms of different elements

a)

Anions

b)

Compund

c)

Cations

d)

Two atoms

7.

When atmos gain electrons , they form negative ions called...

a)

Anions

b)

Ionic bond

c)

Cations

d)

Compund

8.

When atoms lose electrons, they form positive ions called..

a)

Compund

b)

Anions

c)

Two atoms

d)

Cations

9.

what is a diatomic molecule is composed of ?

a)

Metallic atoms

b)

Two atoms

c)

Compund

d)

Cations

10.

Atoms that tend to hold their electrons relatively close and form a ”sea” of electrons

a)

Compund

b)

Two atoms

c)

Metallic atoms

d)

Paulings

11.

In which covalent bond are the electrons shared unequally between atoms?

a)

Ionic

b)

Nonpolar covalent bond

c)

Polar covalent bond

12.

What does metals form?

a)

Cations

b)

Anions

13.

In which covalent bond are the electrons shared equally between atoms?

a)

Metallic bonds

b)

Polar covalent bond

c)

Nonpolar covalent bond

14.

What does nonmetals form?

a)

Anions

b)

Cations

15.

Which quantity of electrons is necessary to acquire a stable configuration of a noble gas?

a)

None

b)

8 electrons

c)

10 electrons

16.

Which structures do ionic bonds form?

a)

Crystaline

b)

Metallic

c)

Molecular

17.

Does covalent bonds form real molecules?

a)

True

b)

False

18.

Which Greek letter is used to represent a partial change?

a)

Delta

b)

Alpha

c)

Beta

19.

What is necessary to form a covalent bond?

a)

A metal + metal

b)

A nonmetal + nonmetal

c)

A metal + nonmetal

20.

What are delocalized electrons?

a)

Electrons that are limited to move

b)

Electrons with a lot of charge

c)

Electrons that are free to move

21.

What is electronegativity?

a)

The number of electrons in an atom

b)

The ability of an atom to attract electrons in a chemical bond

c)

The ability of an atom to repel protons

22.

Which of the following is a compound?

a)

NaCi

b)

H2

c)

Chromium (III)

23.

It’s an example of a covalent substance

a)

KBr

b)

Ca2

c)

PCi3

24.

Which of the following compounds contains 10 atoms of oxygen?

a)

Tetraphosphorus decoxide

b)

Dinitrogen Trioxide

c)

Carbon Dioxide

25.

It’s the tendency of atoms to attain a stable electron configuration

a)

Polarity

b)

Octet Rule

c)

Ionization

26.

Which elements have the greatest electronegativity?

a)

Metals

b)

Nonmetals

c)

Metalloids

27.

Which of the following is a diatomic molecule?

a)

H2

b)

CO2

c)

HCi

28.

They lose one or more valence electrons In order to attain a noble gas configuration

a)

Metals

b)

Nonmetals

29.

A group of atoms that has lost or gained one or more electrons to create a charged particle is called a

a)

Cation

b)

Polyatomic Ion

c)

Anion

30.

Which of the following compounds is a base?

a)

Potassium bromide

b)

Iron (III) oxide

c)

Calcium hydroxide

31.

A cation is always ______ that its precursor atom

a)

Smaller

b)

Bigger

32.

A high melting and boiling point are characteristics of

a)

An Ionic bond

b)

A covalent bond

c)

A polar covalent bond

33.

Low melting and boiling points are characteristics of

a)

An Ionic bond

b)

A covalent bond

c)

A non-polar ionic bond

34.

Is how an Hydracid forms

a)

Cation H+ + Polyatomic ion with O

b)

Cation H+ + Element

35.

Is how a base is formed

a)

Metal + O-2

b)

Nonmetal + O-2

c)

Cation + OH-

36.

Is how a salt is formed

a)

Nonmetal + O-2

b)

Cation + Anion

c)

Metal + Nonmetal

37.

Are the elements involved in an Ionic bond

a)

Nonmetal + nonmetal

b)

Covalent elements

c)

Metal + nonmetal

38.

This bond is insoluble in water

a)

Covalent bond

b)

Ionic bond

39.

Are the elements involved in a Non polar covalent bond

a)

Metal + Metal

b)

Nonmetal + Nonmetal

c)

Covalent elements

40.

This bond is solid at room temperature

a)

Ionic bond

b)

Covalent bond

41.

Between equal atoms, electrons are shared equally

a)

non polar

b)

polar

42.

High melting and boiling points is a propertie of

a)

covalent

b)

ions

c)

Ionic

43.

Electrons that are free to move are

a)

Electron sea model

b)

Delcalized electrons

44.

It is the attraction between positively charged metal ions and negatively charged ions

a)

ionic bond

b)

ionic compounds

c)

covalent bond

45.

It is used to represent a partial charge

a)

Greek letter delta

b)

Metallic cation

c)

Delocalized electrons

46.

It results from the reaction of a metal with a nonmetal

a)

Ionic Bond

b)

Non polar covalent bond

c)

Polar covalent bond

47.

The electrons are shered equally by the nuclei

a)

polar covalent bond

b)

Non polar covalent bond

c)

ionic bond

48.

Which is NOT a physical property of ionic compounds

a)

Solid at room temperature

b)

Melting points

c)

High hardness

49.

Covalent bonds can be single, double or triple

a)

True

b)

False

50.

Between different atoms, the shared electrons are attracted more to one atom to another

a)

Polar

b)

Non polar

c)

Covalent

Chemistry PIA

Total questions: 50

Worksheet time: 25mins

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