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How can I smell things from a distance Unit 2 IC1 LS2 (L6-L9))

Total questions: 78

Worksheet time: 45mins

Name
Class
Date
1.
What are the basic building blocks for all matter?
a)
atoms
b)
elements
c)
compounds
d)
chemicals
2.
What do we call a substance consisting of a single atom?
a)
coefficient
b)
element
c)
compound
d)
molecule
3.
All ____________ are made up of two or more atoms bonded together.
a)
atoms
b)
molecules
c)
electrons
d)
elements
4.

A pure substance.....

a)

Contains more than one substance

b)

Contains only one substance

c)

Can be separated by physical means

d)

Cannot be separated by physical means

5.

A mixture.....

a)

Contains more than one substance

b)

Contains only one substance

c)

Can be separated by physical means

d)

Cannot be separated by physical means

6.

If two substances have the same mass...

a)

we need more information to determine if they are the same substance.

b)

they are the same substance.

c)

they are not the same substance.

7.

Anything that has mass and takes up space

a)

matter

b)

mass

c)

weight

d)

volume

8.

a)
b)
c)
d)
9.
What is a group of atoms joined together called?
a)
an atom
b)
molecule
c)
matter
d)
compound
10.
Which part of an atom is POSITIVELY charged?
a)
protons
b)
neutrons
c)
electrons
d)
atoms
11.
What part of an atom is NEGATIVELY charged?
a)
protons
b)
neutrons
c)
electrons
d)
atoms
12.
Which part of an atom has no charge?
a)
protons
b)
neutrons
c)
electrons
d)
atoms
13.
What is the term for combining 2 or more atoms together?
a)
atoms
b)
elements
c)
molecules
d)
compounds
14.

What is the term for combining 2 or more DIFFERENT atoms together?

a)

atoms

b)

elements

c)

molecules

d)

compound

15.
What is the picture displayed?
a)
atom
b)
element
c)
molecule
d)
compound
16.
Elements are made of 
a)
Many types of atoms 
b)
the Periodic Table
c)
One type of Atom 
d)
Molecules 
17.
Molecules are 
a)
2 atoms bound together 
b)
2 elements bound together 
c)
2 or more atoms mixed together
d)
2 or more atoms bound together 
18.

The _________________ is where humans detect odors. 

a)

mouth

b)

nasal cavity

c)

hemoglobin

d)

eye socket

19.

Odors that do not match with receptors in your nose are called ___________________. 

a)

sensor

b)

odorless

c)

mercaptan

d)

odorful

20.

The indicator/pH paper that we used to test the two clear liquids is an example of a _______________.

a)

detector 

b)

element

c)

e-nose

d)

sample

21.

Some amount of carbon monoxide in the air is safe. 

a)

True

b)

False

22.

How many elements are "currently" found on the periodic table?

a)

113

b)

115

c)

118

d)

120

23.

_____________ are the smallest "complete" bits of matter. 

a)

nucleus

b)

elements

c)

protons

d)

atoms

24.

An element is composed of a single type of _______________. 

a)

neutron

b)

electron

c)

proton

d)

atom

25.

A(n) _____________ is a substance that cannot be broken down into any other substance by chemical or physical means. 

a)

compound

b)

element

c)

tardigrade

d)

photon

26.

Has a positive charge in the atom. 

a)

Proton

b)

Neutron

c)

Electron

d)

Nucleus

27.

Has a neutral charge in the atom. 

a)

Proton

b)

Neutron

c)

Electron

d)

Nucleus

28.

Has a negative charge in the atom.

a)

Proton

b)

Neutron

c)

Electron

d)

Nucleus

29.

This is the central part of the atom. 

a)

Proton

b)

Neutron

c)

Electron

d)

Nucleus

30.

A substance made up of two or more different elements that are chemically combined to form a new substance. 

a)

Compound

b)

Mixture

c)

Element

d)

Molecule

31.

Consists of two or more pure substances that are in the same place but not chemically combined. 

a)

Compound

b)

Mixture

c)

Element

d)

Molecule

32.

A pure substance that consists of the same type of atom all the way through. 

a)

Compound

b)

Mixture

c)

Element

d)

Molecule

33.

A substance made up of two or more atoms bonded together. They can be the same type of atom.

a)

Compound

b)

Mixture

c)

Element

d)

Molecule

34.

Which of the following is labeled

A

a)

Atomic Number

b)

Chemical/Element Symbol

c)

Element Name

d)

Atomic Weight

35.

Which of the following is labeled

B

a)

Atomic Number

b)

Chemical/Element Symbol

c)

Element Name

d)

Atomic Weight

36.

Which of the following is labeled

C

a)

Atomic Number

b)

Chemical/Element Symbol

c)

Element Name

d)

Atomic Weight

37.

Which of the following is labeled

D

a)

Atomic Number

b)

Chemical/Element Symbol

c)

Element Name

d)

Atomic Weight

38.

Which of the following does the atomic number tell us?

a)

Number of neutrons and electrons.

b)

Number of protons and neutrons.

c)

Number of protons and electrons.

d)

Number of protons, neutrons, and electrons.

39.

If I subtracted atomic weight minus atomic number what would I find the amount of in an element? 

a)

Number of electron orbitals 

b)

Number of neutrons

c)

Number of electrons

d)

Number of protons

40.

The most abundant gas in the atmosphere is __________________. 

a)

carbon monoxide

b)

nitrogen

c)

oxygen

d)

carbon dioxide 

e)

hydrogen

41.

This type of microscope allows us to see atoms. 

a)

a stereomicroscope

b)

compound microscope

c)

a light microscope

d)

an electron microscope

42.

Which of the following is a property that may help determine two metals are same or different. 

a)

volume

b)

shape 

c)

mass

d)

hardness

43.

Which of the following is NOT a property?

a)

hardness

b)

color

c)

malleability

d)

mass

44.

Properties are important because________________.

a)

they can be used to describe a material

b)

they can be used to distinguish on material from another material

c)

they are used to organize elements in the periodic table

d)

all of the above

45.

Distilled water is a pure substance

a)

True

b)

False

46.

If a substance is made up of only one type of atom, the substance is a(n)

a)

element

b)

solid

c)

gas

d)

compound

47.

Properties are important because

a)

they can be used to describe a material.

b)

they can be used to distinguish one material from another material.

c)

they are used to organize elements in the periodic table.

d)

all of the above. 

48.

Which of the following choices are reasons why your nose may not detect every odor. (Select 2)

a)

The odor particles are mixtures.

b)

The odor particles are not pure substances.

c)

There may not be enough of the specific odor particles in the air.

d)

The odor particles do not match with any of the receptors in your nose. 

49.

Keara came into the room and used the hand sanitizer to clean her hands. What has to happen to hand sanitizer before you can smell it?

a)

Some of the particles that make up hand sanitizer have to change from a liquid to the gaseous state.

b)

Some of the particles that make up hand sanitizer have to condense.

c)

Some of the particles that make up hand sanitizer have to change from a liquid to a solid state.

d)

Some of the particles that make up hand sanitizer have to sublimate.

50.

Which of the following molecules is made of only one type of atom?

a)
b)
c)
d)
51.

Which of the following molecules is made of two different types of atoms?

a)
b)
c)
d)
52.

Calcium and nitrogen are both elements. What makes one element different from another? (Select 2)

a)

Nitrogen is a mixture and calcium is not.

b)

Calcium is a mixture and nitrogen is not.

c)

They are made of different types of atoms.

d)

They have different properties.

53.

Tap water is a pure substance

a)

True

b)

False

54.

Tap water is a mixture.

a)

True

b)

False

55.

The most abundant gas in the atmosphere is

a)

carbon dioxide

b)

nitrogen

c)

oxygen

d)

argon

56.

As of today, 118 elements have been discovered.

a)

True

b)

False

57.

All matter is made of atoms.

a)

True

b)

False

58.

Gold is an molecule because it is only made of gold atoms.

a)

True

b)

False

59.

Substances have different properties because they are made of different elements (atoms).

a)

True

b)

False

60.

A pure substance is when something is made of two or more types of particles.

a)

True

b)

False

61.

Air is a mixture because it is made of a number of gases, including nitrogen, oxygen, water vapor, and carbon dioxide.

a)

True

b)

False

62.

Some compounds are made of only one type of atom.

a)

True

b)

False

63.

Most molecules are made of different types of atoms.

a)

True

b)

False

64.

A water molecule in the gas phase is the same as a water molecule in the liquid phase.

a)

True

b)

False

65.

The periodic table of elements is a way of organizing __________ according to important characteristics.

a)

elements

b)

mixtures

c)

molecules

d)

compounds

66.

___________________ is a gas that is given off by running cars or furnaces.

a)

Carbon dioxide

b)

Carbon monoxide

c)

Carbon bioxide

d)

carbon

67.

A __________ is a characteristic that describes how a material looks, feels, or acts.

a)

Property

b)

hardness

c)

personality

d)

texture

68.

The _________ is where humans detect odors.

a)

bathroom

b)

nasal cavity

c)

brain

d)

mouth

69.

Elements with the same properties are listed in the periodic table by

a)

period

b)

rows

c)

number

d)

group or family

70.

Odors that do not match with receptors in your nose are called ____________.

a)

odorless

b)

odorful

c)

mercaptan

d)

incompatible

71.

What is the chemical formula of this molecule?

a)

H20

b)

CO2

c)

NH3

d)

O2

72.

What is the name of this molecule?

a)

Water

b)

Carbon dioxide

c)

Ammonia

d)

Oxygen

73.

If I subtracted atomic weight minus the atomic number what would I find the amount of in an element? 

a)

# of protons

b)

# of electrons

c)

# of electron shells

d)

# of neutrons

74.

How many protons are in the following element? 

a)

74

b)

184

c)

258

d)

110

75.

How many electrons are in the following element? 

a)

74

b)

184

c)

258

d)

110

76.

How many neutrons are in the following element? 

a)

74

b)

184

c)

258

d)

110

77.

What is the atomic weight?

a)

74

b)

184

c)

258

d)

110

78.

Which of the following does the atomic number tell us?

a)

Number of protons and electrons

b)

Number of protons and neutrons

c)

Number of neutrons and electrons

d)

Number of protons, neutrons, and electrons

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