WorksheetsAtoms and Periodic Table Mar2019
Total questions: 50
Worksheet time: 41mins
Name
Class
Date
1.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
2.
The first energy level can hold up to how many electrons?
a)
8
b)
4
c)
2
d)
5
3.
What is the atomic mass of "F"
a)
9
b)
18
c)
17
d)
19
4.
all matter is made of what
a)
energy
b)
atoms
c)
electrons
d)
compounds
5.
The positive particles of an atom are
a)
electrons
b)
positrons
c)
neutrons
d)
protons
6.
the central region of an atom where its neutrons and protons are is its
a)
nucleus
b)
electron cloud
c)
core
d)
center
7.
an atom with atomic number 6 would have how many protons
a)
6
b)
12
c)
3
d)
cannot be determined
8.
Particles in an atom that are neutral and have no charge are
a)
negatrons
b)
electrons
c)
neutrons
d)
protons
9.
An atoms overall charge is
a)
positive
b)
depends on its mood
c)
neutral
d)
negative
10.
Which of the following is a negatively charged subatomic particle?
a)
Electron
b)
Proton
c)
Neutron
d)
Quark
11.
All matter is made of what?
a)
energy
b)
atoms
c)
electrons
d)
compounds
12.
The particles that are found in the nucleus of an atom are
a)
neutrons and electrons
b)
electrons only
c)
protons and neutrons
d)
protons and electrons
13.
The atomic number of an elements is the total number of which particles in the nucleus?
a)
neutrons
b)
protons
c)
electrons
d)
protons and electrons
14.
Which of the following is a positively charged subatomic particle found in the nucleus of an atom?
a)
Electron
b)
Proton
c)
Neutron
d)
Quark
15.
Which of the following is a subatomic particle with no charge that is found in the nucleus of an atom?
a)
Electron
b)
Proton
c)
Neutron
d)
Quark
16.
Where are electrons of an atom found?
a)
Nucleus
b)
Electron Cloud
c)
Some are in the nucleus and some in the electron cloud.
d)
They are moving everywhere.
17.
electrons have this type of charge?
a)
negative
b)
positive
c)
neutral
18.
"C" is the element symbol for which element?
a)
calcium
b)
carbon
c)
chlorine
d)
cadmium
19.
What is the atomic symbol for sodium?
a)
Na
b)
So
c)
NaCl
d)
S
20.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
21.
A particle that moves around the nucleus is a(n)...
a)
Proton
b)
Neutron
c)
Electron
d)
Quark
22.
Most of the mass in an atom is concentrated in the...
a)
electrons
b)
nucleus
c)
protons
d)
empty space
23.
What does the nucleus consist of?
a)
Protons + Electrons
b)
Neutrons + Electrons
c)
Atoms
d)
Protons + Neutrons
24.
How many neutron are in the atom "K"?
a)
7
b)
2
c)
39
d)
12
25.
What is the number of protons that the element in this image contain?
a)
14
b)
7
c)
15
d)
18
26.
What the number of eletrons that this carbon have?
a)
10
b)
12
c)
6
d)
14
27.
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
28.
How many Hydrogen are in 4H2O?
a)
6
b)
8
c)
2
d)
4
29.
How many Oxygen are in H2O?
a)
1
b)
2
c)
0
d)
4
30.
2H2 + O2 ----> 2H2O What is the product?
a)
------>
b)
2H2O
c)
2H2+ O2
31.
2H2 + O2 --------> 2H2O What are the reactants?
a)
----->
b)
2H2O
c)
2H2 +O2
32.
How many Magnesium are in 10MgCl2?
a)
10
b)
5
c)
20
33.
How many elements are in C6H12O6?
a)
1
b)
2
c)
3
d)
4
34.
How many atoms are there TOTAL in:
H2SO4
H2SO4
a)
6
b)
5
c)
7
d)
3
35.
How many Sodium (Na) are in 6NaCl?
a)
1
b)
12
c)
6
36.
How many atoms of Hydrogen are in this compound
a)
1
b)
2
c)
3
d)
4
37.
In this compound structure of alcohol, how many Hydrogen atoms are there?
a)
2
b)
4
c)
6
d)
8
38.
In the modern periodic table elements are arranged by:
a)
atomic mass
b)
atomic number
c)
valence electrons
d)
number of isotopes
39.
Each column in the periodic table is called a
a)
period
b)
group
c)
cluster
d)
unit
40.
The yellow atoms are called
a)
metals
b)
nonmetals
c)
metalloids
d)
noble gases
41.
The period for Bromine is ___________.
a)
3
b)
2
c)
4
42.
Beryllium is in group number______.
a)
Group 2
b)
Group 3
c)
Group 4
d)
Group 7
43.
The periodic table has __ periods.
a)
18
b)
8
c)
2
d)
7
44.
An element's identity is determined by the number of
a)
electrons.
b)
protons.
c)
neutrons.
d)
valence.
45.
Elements in the same ________ are more chemically similar.
a)
group
b)
period
c)
club
d)
table
46.
The majority of elements on the periodic table are
a)
man made.
b)
nonmetals.
c)
metals.
d)
gases.
47.
Which elements have the most similar chemical properties?
a)
K and Na
b)
K and Ca
c)
K and Cl
d)
K and S
48.
The elements in this group have 5 valence electrons and include elements N, P, and As.
a)
Group 5
b)
Group 1
c)
Group 18
d)
Group 15
49.
Which of the following is not a property of metals?
a)
brittle
b)
malleable
c)
lustrous
d)
conductive
50.
Rows on the period table are called _____ while columns are called _____.
a)
groups, families
b)
groups, periods
c)
periods, groups
d)
families, groups
100 %
