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Phy Sci District #1 Checkpoint Review

Total questions: 66

Worksheet time: 3620secs

Name
Class
Date
1.

Which element is classified as a non-metal?

a)

calcium (Ca)

b)

potassium (K)

c)

boron (B)

d)

oxygen (O)

2.

Which of the following is a metal?

a)

phosphorus (P)

b)

hydrogen (H)

c)

sodium (Na)

d)

sulfur (S)

3.

How many valence electrons does lithium (Li) have?

a)

1

b)

2

c)

3

d)

7

4.

How many valence electrons from iodine (I) have?

a)

1

b)

8

c)

7

d)

6

5.

If electrons are gained and lost in a compound, which of these elements would MOST likely form this compound?

a)

potassium and bromine

b)

carbon and hydrogen

c)

sulfur and oxygen

d)

iron and sodium

6.
What is the name of this element?
a)
Helium
b)
Hydrogen
c)
Argon
d)
Silver
7.

What is the chemical formula for calcium niitride?

a)

CaN

b)

Ca3N2

c)

CaN2

d)

Ca2N3

8.

Which of these is MOST chemically active?

a)

chlorine (Cl)

b)

phosphorus (P)

c)

tin (Sb)

d)

neon (Ne)

9.

What type of bond will form when an element from group 15 (5A) bonds with an element from group 17 (7A)?

a)

ionic bond

b)

hydrogen bond

c)

covalent bond

d)

metallic bond

10.

If an atom of oxygen has 6 valence electrons, what charge will it have when making an ion?

a)

+3

b)

+6

c)

-2

d)

+2

11.

How many valence electrons does Bromine (Br) have?

a)

5

b)

6

c)

7

d)

8

12.

What are gained, lost or shared in a chemical bond?

a)

inner shell electron

b)

valence electrons

c)

protons

d)

neutrons

13.

Which of the following is true about different atoms of the same element?

a)

They will have have the same number of protons.

b)

They will all have the same number of protons and neutrons.

c)

They will have the same number of protons and electrons.

d)

Protons, neutrons and electrons can differ in an element.

14.

What makes an atom non-reactive?

a)

It has incompletely filled electron shells.

b)

It has completely filled electron shells.

c)

It has not been in contact with other atoms.

d)

It is a large atom.

15.

Elements in the second column of the periodic table are alkali earth metals. When ionized, what charge do they commonly have?

a)

+1

b)

-1

c)

-2

d)

+2

16.

The compound Na2S contains which of the following ions?

a)

Na+1 and S-1

b)

Na+1 and S-2

c)

Na+2 and S-1

d)

Na+2 and S-4

17.
Which letter represents an electron?
a)
A
b)
B
c)
C
d)
D
18.

Choose...

a)

Atom

b)

Molecule

19.

Choose...

a)

Atom

b)

Molecule

20.

Choose...

a)

Atom

b)

Molecule

21.
How many protons are in Zirconium (Zr) ?
a)
40
b)
91
c)
30
d)
65
22.
How many valence electrons in this structure?
a)
6
b)
5
c)
4
d)
7
23.
An atom with 19 protons, and 19 electrons and a mass of 39 has how many neutrons?
a)
19
b)
39
c)
20
d)
58
24.
Sodium has an atomic number of 11, how many protons does this atom have?
a)
22
b)
11
c)
12
d)
2
25.

"The ease and speed when an element combines with another substance" is the definition for which word?

a)

valence electrons

b)

reactivity

c)

metallic bond

d)

electrons

26.

What is reactivity based on?

a)

the amount of metal in an object

b)

the nucleus

c)

the interactions of valence electrons

d)

the speed the atoms move in the metal

27.

A chemist is looking for an element that reacts similarly to the element

lithium (Li). Which would be the best choice?

a)

gold (Au)

b)

neon (Ne)

c)

fluorine (F)

d)

sodium (Na)

28.

Which best describes the purpose for the bold staircase line on the right

side of the periodic table?

a)

to separate gases from liquids

b)

to separate metals from nonmetals

c)

to separate transition metals from alkaline earth metals

29.

Which element has similar characteristics to lithium (Li) and potassium

(K)?

a)

helium (He)

b)

sodium (Na)

c)

beryllium (Be)

d)

magnesium (Mg)

30.

Which element is a member of the halogen family?

a)

helium (He)

b)

oxygen (O)

c)

sodium (Na)

d)

chlorine (Cl)

31.

Which best describes how the current periodic table is arranged?

a)

by atomic mass

b)

by atomic number

c)

in alphabetical order by element symbol

d)

in numerical order by number of neutrons in the nucleus

32.

Which of these elements is most reactive?

a)

neon (Ne)

b)

carbon (C)

c)

sodium (Na)

d)

magnesium (Mg)

33.

How are elements ordered in the modern periodic table?

a)

by date of discovery

b)

by decreasing atomic mass

c)

by increasing atomic number

d)

by alphabetical order of element symbols

34.

Which best describes elements that are shiny, malleable, ductile, and

good conductors of heat and electricity?

a)

Metals

b)

Non-Metals

35.

For the alkali metals, reactivity ______ as you move down the table.

a)

Increases

b)

Decreases

36.

Which of the followings is the most reactive alkali metal in water?

a)

Lithium

b)

Sodium

c)

Potassium

d)

Hydrogen

37.

A student has to select an element that is a poor conductor of heat and electricity. Which element should they choose?

a)

Br

b)

Cd

c)

Na

d)

Ti

38.

An element that has some characteristics of metals and some characteristics of non-metals

a)

metalloid

b)

metals

c)

non-metals

d)

Halogens

39.

Elements that are dull in appearance, poor conductors of heat and electricity; a chemical element lacking typical metallic properties.

a)

metalloid

b)

metal

c)

Halogens

d)

non-metal

40.
As you move down the first group, reactivity _________.
a)
Increases
b)
Decreases
c)
Stays the same
d)
They are all inert
41.

According to the diagram, which list represents elements that share the most similar chemical properties?

a)

O, Se, and Kr

b)

Se, Cl, and Ne

c)

S, Cl, and Ar

d)

Ne, Ar, and Kr

42.

Columns on the periodic table are called ______________.

a)

groups

b)

lines

c)

periods

d)

rules

43.

Ions are ________

a)

atoms with an electric charge

b)

atoms with different number of protons

c)

atoms with different number of neutrons

44.

Which of the following ions have a +1 charge?

a)

Hydrogen (H)

b)

Helium (He)

c)

Calcium (Ca)

d)

Lithium (Li)

45.

______________ electrons are found in the outermost energy level of an atom.

a)

neutral

b)

valence

c)

purple

d)

proton

46.

Which of the following ions have a +2 charge?

a)

Hydrogen (H)

b)

Magnesium (Mg)

c)

Calcium (Ca)

d)

Lithium (Li)

47.

Atoms in Group 13 will (a)   3 electrons to form a +3 charge

48.

How many valence electrons are needed to fulfill the octet rule?

a)

2

b)

4

c)

6

d)

8

49.

Which of the following ions have a +3 charge?

a)

Boron (B)

b)

Aluminum (Al)

c)

Calcium (Ca)

d)

Lithium (Li)

50.

Atoms tend to gain or lose electrons in order to _________.

a)

stabilize their nucleus.

b)

have the same number electrons as a noble gas.

c)

become neutral

d)

decrease their radioactivity

51.

The element "S" tends to _________ when it becomes an ion.

a)

lose 1 electron

b)

gain 2 electrons

c)

lose 3 electrons

d)

gain 3 electrons

52.

The element "Al" tends to _________ when it becomes an ion.

a)

lose 1 electron

b)

gain 2 electrons

c)

lose 3 electrons

d)

gain 3 electrons

53.

This image shows the bonding between Lithium and Fluorine. What does the red arrow show?

a)

electrons being shared

b)

electrons being transferred to Fluorine

c)

electrons being transferred to Lithium

d)

electrons being destroyed

54.

Ionic bonds are formed when electrons get

a)

Shared between two atoms

b)

Removed from both atoms

c)

Transferred from one atom to another

d)

Added to both atoms

55.

Ionic bonds typically form between

a)

A metal and a nonmetal

b)

Two nonmetals

c)

Two metals

d)

A metalloid and a metal

56.

Using the model, write the chemical formula for an ionic compound that has Mg and Cl.

a)

MgCl2

b)

Mg2Cl2

c)

Mg+2Cl-1

d)

Mg2Cl2

57.

Using the model for the formation of Scandium Fluoride (an ionic compound), write the chemical formula.

a)

Sc3F

b)

Sc3F3

c)

Sc+3F-1

d)

ScF3

58.

How do covalent bonds form?

a)

By donating and receiving valence electrons between atoms.

b)

Scientists still aren't sure.

c)

Opposite slight charges attract each atom in the compound.

d)

Sharing valence electrons between atoms

59.

What two types of atoms make a covalent bond?

a)

2 Nonmetals

b)

1 Metal and 1 Nonmetal

c)

2 Metals

d)

2 Noble Gases

60.

What kind of bond will form between Hydrogen and Oxygen?

a)

ionic

b)

covalent

c)

metallic

d)

no bond

61.

Which of the following is NOT an ionic bond?

a)

NH3

b)

KCl

c)

K3N

d)

NaCl

62.

In the formula for calcium chloride, CaCl2, there are ___ atoms of calcium in a formula unit.

a)

1

b)

2

c)

3

d)

it cannot be determined by current science

63.
What is the correct formula for the compound, lithium oxide?
a)
LiO
b)
Li2O
c)
LiO2
d)
Li2O2
64.
How do the following two elements bond together?
K1+  S2- 
a)

KS

b)

K8S

c)

K6S3

d)

K2S

65.

Which of the following is an example of an IONIC COMPOUND?

a)

NaCl

b)

H2O

c)

CO2

d)

NO

66.

What would be the proper chemical formula for combining Aluminum and Iodine?

a)

Al l3

b)

Al3l

c)

Al l

d)

Al3 l3

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