WorksheetsBenchmark ICP Sem 1
Total questions: 47
Worksheet time: 47mins
Name
Class
Date
1.
How many electrons does a Copper atom have?
a)
63
b)
29
c)
92
d)
34
2.
How many protons does an atom of Krypton have?
a)
36
b)
83.80
c)
47.80
d)
119.80
3.
Ernest Rutherford discovered which part of the atom through the use of gold foil experiment?
a)
electron cloud
b)
Neutron
c)
Electron
d)
positive nucleus
4.
What is the atomic number for an element with 41 neutrons and a mass number of 80?
a)
39
b)
41
c)
80
d)
121
5.
What is the weighted average atomic mass of Neon in nature?
a)
10
b)
20.
c)
10.18
d)
20.18
6.
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.
7.
Particles in an atom's nucleus that are neutral and have no charge are
a)
megatrons.
b)
electrons.
c)
neutrons.
d)
protons.
8.
What is the atomic number for an element with three protons?
a)
2
b)
1
c)
3
d)
6
9.
An atom with atomic number 6 would have how many protons?
a)
6
b)
12
c)
3
d)
cannot be determined
10.
The periodic table has __ periods.
a)
18
b)
8
c)
2
d)
7
11.
The horizontal rows on the periodic table are known as
a)
periods.
b)
atoms.
c)
groups or families.
d)
valence electrons.
12.
__________ have properties of both metals and nonmetals.
a)
Transition metals
b)
Lanthanides
c)
Metalloids
d)
Halogens
13.
The atomic number of this pictured element is
a)
28
b)
58.6934
c)
Ni
d)
Nickel
14.
Most of an atom's mass is found in the
a)
electrons.
b)
nucleus.
15.
The majority of elements on the periodic table are
a)
man made.
b)
nonmetals.
c)
metals.
d)
gases.
16.
A neutral atom of the element sodium has 11 protons and ____ electrons.
a)
22
b)
23
c)
8
d)
11
17.
The periodic table has __ groups.
a)
8
b)
7
c)
18
d)
2
18.
How many valence electrons does magnesium have?
a)
1
b)
2
c)
12
d)
24
19.
How many valence electrons does Carbon have?
a)
4
b)
12
c)
6
d)
14
20.
How many valence electrons does Phosphorus have?
a)
31
b)
5
c)
15
d)
4
21.
How many valence electrons does Neon have?
a)
18
b)
8
c)
10
d)
2
22.
The period for Bromine is ___________.
a)
3
b)
2
c)
4
23.
Beryllium is in group number______.
a)
Group 2
b)
Group 3
c)
Group 4
d)
Group 7
24.
Elements in the same ________ are more chemically similar.
a)
group
b)
period
c)
club
d)
table
25.
Which elements have the most similar chemical properties?
a)
K and Na
b)
K and Ca
c)
K and Cl
d)
K and S
26.
Name group 1A on the periodic table.
a)
alkali metals
b)
alkaline earth metals
c)
noble gases
noble gases
noble gases
d)
halogens
27.
Name group 7A on the periodic table.
a)
transition metals
b)
metalloids
c)
halogens
d)
alkali metals
28.
Where are the nonmetals located on the periodic table?
a)
top left corner
b)
bottom left corner
c)
top right corner
d)
bottom left corner
29.
Name the following compound:
Li2S
Li2S
a)
dilithium sulfide
b)
dilithium monosulfide
c)
lithium sulfide
d)
lithium monosulfide
30.
Name the following compound:
CaO
CaO
a)
calcium oxide
b)
monocalcium monoxide
c)
calcium monoxide
d)
calcium oxygen
31.
What is the correct formula for the compound, lithium oxide?
a)
LiO
b)
Li2O
c)
LiO2
d)
Li2O2
32.
Which of the following is hydrogen (H)?
a)
Metal
b)
Nonmetal
c)
Metalloid
33.
A covalent bond is a bond between a _____ and a ______
a)
metal, nonmetal
b)
metal, metal
c)
nonmetal, nonmetal
34.
A covalent bond is formed when two atoms ____ electrons
a)
share
b)
lose
c)
transfer
d)
gain
35.
A covalent bond is formed when two atoms ____ electrons
a)
share
b)
lose
c)
transfer
d)
gain
36.
What bond is formed between a metal and a nonmetal?
a)
Covalent bond
b)
Ionic bond
37.
How many electrons should Silicon have around its Lewis dot model?
a)
1
b)
2
c)
3
d)
4
38.
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
39.
What element is represented in this Bohr Model? QUICK ! Use a Periodic Table.
a)
Carbon
b)
Hydrogen
c)
Aluminum
d)
Lithium
40.
an element will always have the same number of
a)
neutrons
b)
protons
c)
isotopes
d)
atoms
41.
How are electrons arranged in an atom?
a)
In groups of five
b)
In energy levels
c)
By color
d)
By shape
42.
Which types of elements have intermediate properties of metals and nonmetals?
a)
metals
b)
nonmetals
c)
metalloids
d)
gases
43.
What is oxidation number of Ca in CaCl2 ?
a)
-1
b)
-2
c)
+1
d)
+2
44.
What is oxidation number of Na in Na+ ?
a)
0
b)
+1/2
c)
+1
d)
-1
45.
The sum of all oxidation numbers in a neutral compound is ___.
a)
0
b)
1
c)
-1
d)
depends on the compound
46.
How many neutrons does a Hydrogen atom have?
a)
1
b)
2
c)
3
d)
0
47.
How many neutrons does the isotope of lithium-7 have?
a)
8
b)
5
c)
4
d)
5
100 %
