WorksheetsThe Atom & Periodic Table Review
Total questions: 27
Worksheet time: 16mins
Which of these elements has the greatest average atomic mass?
B
C
N
Al
Which of these elements has an atomic number of 14?
N
Al
Si
P
The diagram above shows a block from the periodic table. The number six represents the -
atomic mass of the element carbon
atomic number of the element carbon
number of neutrons in the element carbon
number of valence electrons element carbon
In this atomic model, point A represents -
a proton
a nucleus
a neutron
an electron
In this atomic model, point B represents -
a proton
a nucleus
a neutron
an electron
In this atomic model, point C represents -
a proton
a nucleus
a neutron
an electron
In this atomic model, point D represents -
a proton
a nucleus
a neutron
an electron
Which of these have a positive charge and are found in the nucleus of an atom?
Neutrons
Protons
Electrons
Elements
The atom is composed of electrons, protons, and neutrons. What is the electric charge on the neutron?
1
-1
0
2
Groups are arrange in what direction on the Periodic Table?
Vertically (up and down like columns)
Horizontally (side to side)
Diagonally ( from upper to lower corner)
Both vertically and horizontally
What is the fourth element in period 3?
titanium (Ti)
actinium (Ac)
scandium (Sc)
silicon (Si)
Which particles account for nearly all of the mass of an atom when added together?
protons and electrons
protons and nuetrons
neutrons and electrons
protons, neutrons and electrons
What type of atom has an equal number of protons and electrons?
ion
neutral atom
isotope
all atoms have an equal number of protons and electrons
I am a nonmetal
I am in period 2
I am in group 16/6A
Ba
Si
Ba
O
How many protons are in a Beryllium (Be) atom?
2
4
5
9
The mass number for sodium (Na) is 23 amu and it has 11 protons. How many neutrons does it have?
1
11
12
23
When atoms are the same element, they ALWAYS have the:
same number of neutrons
same atomic mass
same number of protons
same ionic charge
In a neutral atom, the number of protons is:
equal to the number of electrons
equal to the number of neutrons
more than the number of electrons
less than the number of electrons
The horizontal rows across the periodic table are called the:
Valence Electrons
Electronegativities
Groups
Periods
Where are the nonmetals on the periodic table generally found?
to the left of the metalloids
to the right of the metalloids
in the center section of the table
in all four corners of the table
Match the subatomic particle to its correct mass and charge
Protons
Charge +1 and mass is 1 amu
Neutrons
Charge 0 and mass is 1 amu
Electrons
Charge -1 and mass is 0 amu
Match the phase of matter to its definition
solid
definite shape and volume
liquid
definite volume but not a definite shape
gas
does not have a definite volume or shape
plasma
charged and found in stars
10.All matter is made of atoms
true
false
7.How many electrons does this oxygen atom have?
6
8
16
24
How many valence electrons does carbon have?
4
5
6
7
What is the definition of valence electrons
Electrons in the inner most shell
Electrons in the outer most shell
All of the electrons in the atom
None of the above
The atomic number is the same as the number of
(a)
