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Unit 4 "The structure of matter"

Total questions: 64

Worksheet time: 46mins

Name
Class
Date
1.

What is the basic unit of matter and is the smallest particle of an element?

¿Cuál es la unidad básica de la materia y la partícula más pequeña de un elemento?

a)

Atoms

b)

Elements

c)

Compounds

d)

Molecules

2.

Two or more atoms chemically bonded together are called a:

Dos o más átomos unidos químicamente se denominan:

a)

atom

b)

element

c)

molecule

d)

mixture

3.

How many carbon atoms are there in a methane molecule?

¿Cuántos átomos de carbono hay en una molécula de metano?

a)

0

b)

1

c)

4

d)

5

4.

How many hydrogen atoms are there in a water molecule? H20

¿Cuántos átomos de hidrógeno hay en una molécula de agua? H20

a)

0

b)

1

c)

2

d)

3

5.

This is anything that has mass and takes up space (meaning it has a volume).

Esto es cualquier cosa que tenga masa y ocupe espacio (lo que significa que tiene un volumen).

a)

matter

b)

mass

c)

element

d)

energy

6.
Elements are made of 
a)
many types of atoms 
b)
the periodic table
c)
one type of atom 
d)
molecules 
7.
All matter is made of 
a)
energy 
b)
atoms 
c)
electrons 
d)
compounds 
8.

Is NO2 an element or a molecule?

a)

element

b)

molecule

9.

How many atoms are in CaCO3?

a)

3

b)

4

c)

5

d)

6

10.

How many atoms are in NO2?

a)

1

b)

2

c)

3

d)

4

11.

Is K an element or a molecule?

a)

element

b)

molecule

12.
What is the correct formula for this molecule?
a)
NH
b)
N3H
c)
NH3
d)
NH4
13.
Substance made of two or more different elements that chemically combine. 
a)
Atom
b)
Element
c)
Compound
d)
Proton
14.

Which of the following is an example model of CH4?

a)
b)
c)
d)

None of these options

15.

How many carbon atoms are there in C3H12O5?

a)

1

b)

3

c)

12

d)

5

16.

How many sodium atoms are there in NaCl2?

a)

1

b)

2

c)

3

d)

4

17.

In crystals, atoms are arranged in an ordered [BLANK]

a)

Molecule

b)

Matter

c)

Compound

d)

Pattern

18.

What has atoms arranged in an ordered pattern?

a)

Protons

b)

Crystals

c)

Solids

d)

Matter

19.

How are elements different from atoms?

a)

Elements are made out of atoms

b)

Atoms are made out of elements

c)

Elements are made out of molecules

d)

Molecules are made out of atoms.

20.

What is an atom?

a)

The basic building block of matter; made of electrons, protons, and neutrons.

b)

The simplest unit of a chemical compound that can exist; formed when two or more atoms of different elements join together chemically (with a bond).

c)

The simplest unit of a chemical compound that can exist; formed when two or more atoms of the same or different elements join together chemically (with a bond).

d)

A pure substance that is made from a single type of atom.

21.

What is an molecule?

a)

The basic building block of matter; made of electrons, protons, and neutrons.

b)

The simplest unit of a chemical compound that can exist; formed when two or more atoms of different elements join together chemically (with a bond).

c)

The simplest unit of a chemical compound that can exist; formed when two or more atoms of the same or different elements join together chemically (with a bond).

d)

A pure substance that is made from a single type of atom.

22.

What is an compound?

a)

The basic building block of matter; made of electrons, protons, and neutrons.

b)

The simplest unit of a chemical compound that can exist; formed when two or more atoms of different elements join together chemically (with a bond).

c)

The simplest unit of a chemical compound that can exist; formed when two or more atoms of the same or different elements join together chemically (with a bond).

d)

A pure substance that is made from a single type of atom.

23.

What is an element?

a)

The basic building block of matter; made of electrons, protons, and neutrons.

b)

The simplest unit of a chemical compound that can exist; formed when two or more atoms of different elements join together chemically (with a bond).

c)

The simplest unit of a chemical compound that can exist; formed when two or more atoms of the same or different elements join together chemically (with a bond).

d)

A pure substance that is made from a single type of atom.

24.
How many atoms are in the compound FeCl3?
a)
6
b)
4
c)
3
d)
2
25.
The number of __________________ determines an element's identity.
a)
neutrons
b)
electrons
c)
protons
d)
grams
26.
A row on the Periodic Table is called a ____________.
a)
period
b)
family
c)
group
d)
cluster
27.
A column on the Periodic Table is called a __________________.
a)
period
b)
family
c)
cluster
d)
line
28.
When elements are combined to make a compound, the new substance has properties different from those of the original elements. 
a)
True
b)
False
29.

What is the smallest particle of an element; made of electrons, protons, and neutrons?

a)

orbital

b)

atom

c)

element

d)

periodic table

30.

What is anything that has volume and mass?

a)

weight

b)

atoms

c)

structure

d)

matter

31.

What is the simplest unit of a chemical compound that can exist, formed when two or more atoms join together chemically?

a)

molecule

b)

atom

c)

element

d)

matter

32.

What is a single substance, either an element or a compound, with definite composition and properties?

a)

element

b)

molecule

c)

pure substance

d)

atom

33.

What is the state of matter with definite volume and shape?

a)

solid

b)

liquid

c)

gas

d)

matter

34.

What does the subscript tell us about a molecule?

a)

atom type

b)

a number

c)

the number of a specific type of atom present

d)

molecule

35.
Who proposed the first atomic view of matter?
a)
Lavoisier
b)
Empedocles
c)
Democritus
d)
Priestley
36.

What scientist is best known for his "Plum Pudding" model of the atom?

a)

J.J. Thomson

b)

Ernest Rutherford

c)

John Dalton

d)

Democritus

37.
Discovered the electron within the atom
a)
Thomson
b)
Chadwick 
c)
Schrodinger & Heisenberg
d)
Dalton
38.
True or False: The majority of an atom is made up of empty space
a)
True
b)
False
39.
What type of particles exist within an atomic nucleus?
a)
Protons and Neutrons
b)
Neutrons and electrons
c)
Neutrons and Atoms
d)
Elements and Atoms
40.

who said that nucleus also contains neutral particles

a)

Bohr

b)

Chadwick

c)

Bacquerrel

d)

rutherford

41.

___________ proposed that matter is made of indivisible particles.

a)

Dalton

b)

JJ. Thomson

c)

Rutherford

d)

Bohr

42.

________ proposed that electrons can only travel in fixed orbits

a)

dalton

b)

Thompson

c)

Rutherford

d)

Bohr

43.

_________ found out that atom has negative charges called electrons.

a)

dalton

b)

thomson

c)

rutherford

d)

Bohr

44.

_________ realised that the atom has a positive charge at the centre of it

a)

Dalton

b)

Thomson

c)

Rutherford

d)

Bohr

45.

What does “atomos” mean

a)

invisible

b)

indivisible

c)

immincible

d)

inevitable

46.

In an element box, the number at top is the

a)

atomic number

b)

atomic name

c)

atomic mass

d)

atomic symbol

47.

___________________ are positively charged particles located in the nucleus of an atom.

a)

Electrons

b)

Neutrons

c)

Protons

d)

Isotopes

48.

Isotopes are atoms of the same element with different numbers of

a)

electrons

b)

neutrons

c)

protons

d)

nuclei

49.

Elements on the Periodic Table are ordered according to their

a)

element name

b)

element symbol

c)

number of atoms

d)

atomic number

50.

Rows in the Periodic Table are called

a)

Periods

b)

Groups/Families

c)

Cousins

d)

Metals

51.

Column in the Periodic Table are called

a)

Periods

b)

Groups/Families

c)

Cousins

d)

Metals

52.

The nucleus of an atom is located in its

a)

electron cloud

b)

center

c)

proton

d)

backpack

53.

The chemical symbol in this element box is

a)

26

b)

Fe

c)

Iron

d)

55.845

54.
What are the 3 particles that make-up the atom?
a)
protons, neutrons, and isotopes
b)
neutrons, isotopes, and electrons
c)
positives, negatives, and electrons
d)
protons, neutrons, and electrons
55.
Who first proposed that everything in the world was made up of tiny particles?
a)
Aristotle
b)
Democritus
c)
Plato
d)
Socrates
56.
Democritus called the tiniest particles of matter "atomos", which is Greek for _____
a)
empty space
b)
invisible
c)
very small
d)
indivisible
57.
Dalton showed that common substances always broke down into _____
a)
the same elements in the same proportions
b)
elements in equal quantities
c)
hydrogen and oxygen
d)
earth, wind, water and fire
58.
Whose model showed atoms as uniformly packed spheres of positive matter filled with negatively charged electrons?
a)
J. J. Thomson
b)
John Dalton
c)
Ernest Rutherford
d)
Niels Bohr
59.
J. J. Thomson won a Nobel Prize in 1906.  Which particle did he discover?
a)
the electron
b)
the proton
c)
the neutron
d)
the photon
60.
Rutherford referred to the center of the atom, where the mass was concentrated, as _____
a)
the kernel
b)
the nucleus
c)
the focus
d)
the heart
61.
Who drew on the work of Planck and Einstein to develop the planetary model of the atom?
a)
John Dalton
b)
Niels Bohr
c)
J. J. Thomson
d)
Ernest Rutherford
62.
Who stipulated that electrons orbit the nucleus at fixed energies and distances?
a)
Albert Einstein
b)
Max Planck
c)
Ernest Rutherford
d)
Niels Bohr
63.

How many elements are in CaCO3?

a)

3

b)

4

c)

5

d)

6

64.

How many elements are in CaCO3?

a)

3

b)

4

c)

5

d)

6

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