WorksheetsPhysical Science - Grade 10 – Lesson 7
Total questions: 20
Worksheet time: 29mins
Name
Class
Date
1.
Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?
a)
Hund’s Rule
b)
Aufbau Principle
c)
Pauli Exclusion Principle
2.
What is incorrect about this orbital diagram?
a)
Both arrows in the 2p box should be pointing up
b)
There is nothing incorrect with this diagram
c)
In the 2p box there should only be 1 electron in the first 2p box and one in the 2nd 2p box
d)
All the arrows should be pointing up.
3.
Electrons are paired based on their spin directions, clockwise and counterclockwise, is what electron configuration rule?
a)
Hund’s Rule
b)
Aufbau Principle
c)
Pauli Exclusion Principle
4.
Which element is depicted from this orbital diagram
a)
Fluorine
b)
Neon
c)
Chlorine
d)
Argon
5.
What is the symbol represented by this Aufbau diagram?
a)
C
b)
B
c)
N
d)
O
6.
Which orbital shows a violation of Hund's Rule?
a)
A
b)
B
c)
C
d)
D
7.
Which orbital shows a violation of the Pauli Exclusion Principle?
a)
A
b)
B
c)
C
d)
D
8.
Valence electrons are:
a)
Electrons farthest away from the nucleus
b)
Electrons closest to the nucleus
c)
Electrons that just come and go - they don't stay with the atom
9.
Ions are:
a)
atoms with a positive or negative charge
b)
atoms with no charge
c)
atoms with ONLY a positive charge
d)
atoms with ONLY a negative charge
10.
When an atom loses a valence electron, it becomes a(n) _____________ ion.
a)
positive
b)
negative
c)
neutral
d)
polyatomic
11.
Negative ions form when atoms _________ valence electrons.
a)
lose
b)
gain
c)
share
12.
The positive particles of an atom are
a)
electrons
b)
positrons
c)
neutrons
d)
protons
13.
an atom with atomic number 6 would have how many protons
a)
6
b)
12
c)
3
d)
cannot be determined
14.
What is a negative ion called?
a)
anion
b)
cation
c)
covalent
d)
isotope
15.
Why do elements form bonds?
a)
to get a charge
b)
so they can make friends
c)
to become stable by getting a full valence shell
d)
to become stable by increasing their mass
16.
How many electrons would a Nitrogen ion gain/lose?
a)
lose 5
b)
gain 5
c)
lose 3
d)
gain 3
17.
How many electrons would a Calcium ion gain/lose?
a)
lose 1
b)
gain 1
c)
lose 2
d)
gain 2
18.
What is the ion formed from Sulfur?
a)
S+2
b)
S-2
c)
S+6
d)
S-6
19.
If an atom loses electrons, the charge will be positive.
a)
true
b)
false
20.
A Bromine ion gains 1 electron, which of the following is the correct symbol for a Bromine ion?
a)
Br-
b)
Br+
c)
Br+7
d)
Br-7
100 %
