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T1 Review

Total questions: 88

Worksheet time: 53mins

Name
Class
Date
1.

It is okay to wear your hair long in the lab if you are not working with fire.

a)

true

b)

false

2.

Which piece of equipment is a beaker?

a)
b)
c)
d)
3.

Which piece of equipment is a flask?

a)
b)
c)
d)
4.

Which person is reading the graduated cylinder correctly?

a)

Person 1

b)

Person 2

c)

Person 3

d)

Person 4

5.

Which picture below shows proper lab attire and behavior?

a)
b)
c)
d)
6.

If you accidentally break glassware, you should

a)

tell your teacher

b)

sweep it up with a broom

c)

pick up the pieces by hand

d)

dump pieces into a special container

7.
The lab equipment seen in the image should be worn during a lab investigation when...
a)
using glassware.
b)
using chemicals.
c)
using heat/fire.
d)
using any of the above.
8.
Identify the piece of lab equipment seen in the image.
a)
Erlenmeyer Flask
b)
Graduated Cylinder
c)
Beaker
d)
Test Tube
9.
When should you wear safety goggles?
a)
When you look in the sun
b)
When working with chemicals, acids and bases and heating devices
c)
Anytime your in lab
d)
None of the above
10.
Identify the primary function of the lab equipment seen in the image.
a)
Transfer small amounts of liquid
b)
Transfer large amounts of liquid
c)
Measure liquid volume
d)
Mixing liquid chemicals
11.
Keep your work area free of all unnecessary books and papers
a)
TRUE
b)
FALSE
12.

Which piece of equipment is shown in the picture?

a)

tongs

b)

test tube clamp

c)

pipette

d)

flint striker

13.

Used to hold the test tubes and keep from spilling

a)

test tube

b)

test tube rack

c)

pipette

d)

mortar

14.

What is this piece of lab equipment called?

a)

Beaker

b)

Graduated cylinder

c)

Test tube

d)

Funnel

15.

What is the name of this piece of equipment?

a)

Thermometer

b)

Bunsen burner

c)

Beaker

d)

Googles

16.

What are these?

a)

X-ray vision goggles

b)

Safety Goggles

c)

Night vision goggles

17.
Clean up ___________________
a)
As soon as you finish your experiment
b)
by disposing of all materials down the sink with lots of water
c)
by disposing of all materials in the waste bins provided
d)
as directed by your teacher
18.

Work areas should be kept clean and tidy.

a)

True

b)

False

19.

What is the center of an atom called?

a)

Electron cloud

b)

Nucleus

c)

Proton

d)

Neutron

20.

Which subatomic particle is negatively charged?

a)

Proton

b)

Neutron

c)

Electron

d)

Quark

21.

What is the atomic number of an element?

a)

The number of protons in the nucleus

b)

The number of neutrons in the nucleus

c)

The total number of protons and neutrons in the nucleus

d)

The total number of protons and electrons in the atom

22.

What does the atomic mass of an element represent?

a)

The number of protons in the nucleus

b)

The number of electrons in the atom

c)

The total number of protons and neutrons in the nucleus

d)

The total mass of the electrons in the atom

23.

Atoms of the same element with different numbers of neutrons are called:

a)

Isobars

b)

Isotopes

c)

Isomers

d)

Isoelectronic

24.

Which subatomic particle contributes most to the mass of an atom?

a)

Electron

b)

Proton

c)

Neutron

d)

Both B and C are correct

25.

What is the charge of a neutron?

a)

Positive

b)

Negative

c)

Neutral

d)

Variable

26.

How is the electron cloud around the nucleus best described?

a)

A dense pack of electrons

b)

A precise orbit in which electrons move

c)

A region where electrons are likely to be found

d)

Empty space with no electrons

27.

What determines the chemical properties of an atom?

a)

The number of neutrons

b)

The number of protons

c)

The number of electrons

d)

Both B and C are correct

28.

An isotope of carbon has 6 protons and 8 neutrons. What is its atomic mass?

a)

6

b)

8

c)

14

d)

12

29.

Which of the following is true about isotopes?

a)

They have different numbers of protons

b)

They have different atomic numbers

c)

They have different numbers of neutrons

d)

They have different electron configurations

30.

What is the significance of the atomic number in the periodic table?

a)

It determines the element's position in the periodic table

b)

It indicates the number of neutrons in the nucleus

c)

It represents the total mass of the atom

d)

It shows the number of electrons in a neutral atom

31.

How many electrons can the first energy level of an atom hold?

a)

2

b)

8

c)

18

d)

32

32.

What happens to an atom when it loses an electron?

a)

It becomes a neutron

b)

It becomes an isotope

c)

It becomes a positively charged ion

d)

It becomes a negatively charged ion

33.

Which of the following particles is found in the nucleus of an atom?

a)

Electron

b)

Proton

c)

Neutrino

d)

Photon

34.

Atoms with the same number of protons but different electrical charges are called:

a)

Isotopes

b)

Isobars

c)

Ions

d)

Allotropes

35.

What is the maximum number of electrons that can occupy the second energy level of an atom?

a)

2

b)

8

c)

18

d)

32

36.

Which of the following is not a subatomic particle?

a)

Proton

b)

Neutron

c)

Electron

d)

Molecule

37.

The mass number of an atom is determined by adding the number of:

a)

Protons and electrons

b)

Neutrons and electrons

c)

Protons and neutrons

d)

Electrons and isotopes

38.

What is the name of group number 1?

a)

halogens

b)

noble gases

c)

alkali metals

d)

alkaline earth metals

39.

What is the name of group number 2?

a)

transition metals

b)

halogens

c)

metaloids

d)

alkaline earth metals

40.

where are the metaloids found

a)

far left, vertical

b)

stair step/diagonal

c)

far right horizontal

d)

at the bottom

41.

What group number are the halogens found?

a)

18 (8A)

b)

1

c)

2

d)

17 (7A)

42.

Periodic law states that the elements are arranged according to their atomic ________ so that elements with similar chemical properties are in the same ________ and properties repeat periodically.

a)

numbers, rows

b)

masses, rows

c)

masses, column

d)

numbers, column

43.

A grouping of elements based on similar chemical properties, arranged by columns in the periodic table; also known as a group

a)

family

b)

period

c)

row

d)

isotope

44.

A row on the Periodic Table of Elements

a)

family

b)

period

c)

row

d)

isotope

45.

Metals (select all that apply)

a)

are found on the right side of the periodic table.

b)

are found on the left side of the periodic table.

c)

are good conductors of heat and electricity.

d)

are brittle.

e)

are malleable and ductile.

46.

Nonmetals (select all that apply)

a)

are found on the right side of the periodic table.

b)

are found on the left side of the periodic table.

c)

are good conductors of heat and electricity.

d)

are brittle.

e)

can be solid, liquids, or gases at room temperature.

47.

Which element is found in group 2, period 6?

a)

Oxygen (O)

b)

Barium (Ba)

c)

Selenium (Se)

d)

Carbon (C)

48.

Which halogen is found in period 4?

a)

Krypton (Kr)

b)

Xenon (Xe)

c)

Bromine (Br)

d)

Iodine (I)

49.

Which element has similar chemical properties as sodium but has 7 energy levels?

a)

Francium (Fr)

b)

Cesium (Cs)

c)

Rubidium (Rb)

d)

Potassium (K)

50.

Elements that have the same number of energy levels are said to be in the same ______.

a)

group

b)

period

c)

family

d)

classification

51.

Matter is anything that.....

a)

Has mass and takes up space

b)

Has mass and is visible

c)

Takes up space and has energy

d)

Has energy and is visible

52.

What particle view below is a mixture?

a)

b)

c)

d)

53.

What is the best classification for this substance?

a)

An element

b)

A compound

c)

A mixture

54.

Is this a pure substance?

a)

Yes

b)

No

55.

What is the best classification of this substance?

a)

An element

b)

A compound

c)

A mixture of 2 elements

d)

A mixture of 2 compounds

56.

What is the best classification of this substance? H2SO4

a)

An element

b)

A compound

c)

A mixture

57.

What is an example of a physical property?

a)

Silver is shiny

b)

Alcohols are flammable

c)

Alkali metals are reactive with water

d)

Acids are sometimes corrosive

58.

What is an example of a chemical change?

a)

Tearing paper

b)

Dissolving salt in water

c)

Melting ice

d)

Burning wood

59.

Is this image showing a homogeneous or a heterogeneous mixture? Image: Cesar salad

a)

homogeneous

b)

heterogeneous

60.

Is this image showing a homogeneous or a heterogeneous mixture? Image: Milk

a)

homogeneous

b)

heterogeneous

61.

Does this image represent a chemical or a physical change?

a)

Chemical change

b)

Physical change

62.

Does this image represent a chemical or physical change?

a)

Chemical change

b)

Physical change

63.

What is a Bohr Model?

a)

a simplified representation of an atom

b)

vertical column in periodic table

c)

horizontal row in periodic table

d)

Only shows the element symbol and it's outer most electron shell

64.

What are the names of the 2 models that we have been using?

a)

Bohr and Newton Structures

b)

Lewis and Caroll Models

c)

Bohr Model & Lewis Dot Structure

d)

Element & Atom structures

65.

What is a Lewis Dot Structure?

a)

It shows all of the particles in the atom.

b)

Contains protons and neutrons

c)

Only shows the element symbol and it's outer most electron shell

d)

Contains protons and electrons

66.

What is the the outermost shell with electrons?

a)

Shells

b)

Isotope

c)

Orbit

d)

Valence

67.

What is a par;cle with – charge, outside nucleus?

a)

proton

b)

neutron

c)

quark

d)

electron

68.

What is the drawing of an atom that only has the symbol and the valence electrons?

a)

Lewis Dot Diagram

b)

Bohr Diagram

c)

Thompson Diagram

d)

Dalton Diagram

69.
What's a valence electron?
a)
electrons in the second energy level
b)
electrons in the outermost energy level
c)
the atomic number
d)
electrons in the first level
70.
How many dots would a Lewis Dot structure of Helium have?
a)
1
b)
2
c)
8
d)
0
71.
How many valence electrons are in Phosphorus?
a)
15
b)
4
c)
5
d)
31
72.

Is this a correct dot diagram for fluorine (F)

a)

Yes

b)

No

73.

Is this a correct dot diagram for magnesium (Mg)

a)

Yes

b)

No

74.
How many electrons should Nitrogen have around its Lewis dot model?
a)
1
b)
3
c)
4
d)
5
75.

Ionic bonds form between?

a)

metal + nonmetal

b)

nonmetal + nonmetal

76.

Covalent bonds form between?

a)

metal + nonmetal

b)

nonmetal + nonmetal

77.

Why do atoms bond?

a)

They want to have a partner

b)

to have a full outer energy level (8 valence electrons) and be stable

78.

Identify the type of bond: NaCl

a)

Ionic

b)

Covalent

79.

Identify the type of bond: H2O

a)

Ionic

b)

Covalent

80.

Identify the type of bond: SO3

a)

ionic

b)

covalent

81.

Identify the type of bond: K2O

a)

ionic

b)

covalent

82.

Identify the type of bond: LiF

a)

ionic

b)

covalent

83.
The following statements are true for ionic bonding EXCEPT
a)
bonding between metal and non metal
b)
electrostatic forces between opposite charges
c)
transferring of electrons
d)
sharing of electrons
84.

When K forms an ionic bond with Br, which of the following occurs?

a)

K gains an electron and Br loses an electron

b)

K loses an electron and Br gains an electron

c)

K and Br both lose electrons

d)

K and Br share a pair of electrons

85.
Noble gases will form chemical bonds with other elements
a)
True
b)
False
86.

Which element would most likely bond with Chlorine?

a)

Hydrogen

b)

Calcium

c)

Water

d)

Aluminum

87.

The following diagram is considered

a)

an ionic compound

b)

a covalent compound

c)

an ionic mixture

d)

a covalent mixture

88.

Which piece of equipment is a beaker?

a)
b)
c)
d)

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