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Test 2 Practice Problems

Total questions: 34

Worksheet time: 26mins

Name
Class
Date
1.

How many electrons can the "d" orbital hold at maximum?

a)

14

b)

10

c)

2

d)

6

2.

How many electrons can the "p" orbital hold at maximum?

a)

14

b)

10

c)

2

d)

6

3.
Electron arrangement that uses arrows
a)
Electron configuration
b)
Shorthand configuration
c)
Lewis dot structure
d)
Orbital diagram
4.

Which element is pictured in this orbital diagram?


** You need to look these elements up on a periodic table and determine the number of electrons.

a)

neon

b)

fluorine

c)

magnesium

d)

argon

5.
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
6.

What does Pauli exclusion principle state ?

a)

states that each electron occupies the lowest energy orbital available

b)

states that a maximum of two electrons can occupy a single atomic orbital, but if only if the electrons have opposite spins

c)

states that single electrons electrons with the same spin must occupy each-energy orbital before additional electrons with opposite spins can occupy the same orbitals

7.

What atom matches this electron configuration?

1s22s22p63s23p64s23d10


** You need to look these elements up on a periodic table and determine the number of electrons and use the Electron Fill Order Chart (from orbital diagram activities).

a)

Zinc

b)

Copper

c)

Nickel

d)

Germanium

8.

Which electron configuration belongs to Chlorine (Cl)?


** You need to look these elements up on a periodic table and determine the number of electrons and use the Electron Fill Order Chart (from orbital diagram activities).

a)

1s2 2s2 2p6 3s2 3p5

b)

1s2 2s2 2p6 3s2 3p6

c)

1s2 2s2 2p6 3s2 3p7

9.

Which guideline is violated in the following orbital diagrams?

a)
Aufbau's
b)
Hund's
c)
Pauli exclusive
10.
For an electron to change from ground state to an excited stated it must...
a)
Absorb energy
b)
Release energy
11.

What is the light that you can see called?

a)

observatory light

b)

ultraviolet light

c)

visible light

d)

infrared light

12.
Emission of light from an atom occurs when an electron
a)
drops from a higher to a lower energy level.
b)
   jumps from a lower to a higher energy level.   
c)
   moves within its atomic orbital.
d)
falls into the nucleus.
13.
Why are line emission spectra of elements called "atomic fingerprints"?
a)
They are all the same
b)
They are all unique
c)
They are all similar
d)
They all contain colored light
14.

An atom that has gained energy beyond normal is said to be ...

a)

excited

b)

grounded

c)

naturalized

15.

Valence electrons are located...

a)

inside the nucleus

b)

in outer space

c)

on the outermost energy level in an atom

d)

on the energy level closest to the nucleus.

16.
The energy of an electron __________ as it moves further away from the nucleus
a)
increases
b)
decreases
17.

The fluorine atom has an atomic number of

a)

19

b)

9

18.

A Bromine ion gains 1 electron, which of the following is the correct symbol for a Bromine ion?

a)

Br-1

b)

Br+1

c)

Br+7

d)

Br-7

19.

The full range of frequencies of electromagnetic radiation is called

a)

visible light

b)

the electromagnetic spectrum

c)

radio waves

d)

invisible radiation

20.
True or False - Protons and Neutrons have about the same mass.
a)
True - They have about the same mass
b)
False - They do not have about the same mass
21.
Electrons have a ___________ charge.
a)
Positive
b)
Negative
c)
Neutral
22.

Which is true about the following chlorine atom?

a)

17 protons and 36 neutrons

b)

17 protons and 19 electrons

c)

17 protons and 19 neutrons

d)

36 protons and 17 neutrons

23.
What is the neutron? 
a)
A negatively charged particle outside the nucleus 
b)
A positively charged particle inside the nucleus 
c)
A particle without a charge inside the nucleus 
d)
A positively charged particle outside the nucleus 
24.

Which scientist was the first person responsible for proposing the idea of atoms?

a)

Democritus

b)

John Dalton

c)

Ernest Rutherford

d)

J.J. Thomson

e)

Niels Bohr

25.

Which scientist was the first person responsible for proposing the discovery of the nucleus?

a)

Democritus

b)

John Dalton

c)

Ernest Rutherford

d)

J.J. Thomson

e)

Niels Bohr

26.

Which scientist claimed that the atom was a small, dense, solid sphere?

a)

Democritus

b)

John Dalton

c)

Ernest Rutherford

d)

J.J. Thomson

e)

Niels Bohr

27.

Which scientist's model is referred to as the Plum Pudding Model?

a)

Democritus

b)

John Dalton

c)

Ernest Rutherford

d)

J.J. Thomson

e)

Niels Bohr

28.

Which scientist's model is referred to as the Planetary model?

a)

Democritus

b)

John Dalton

c)

Ernest Rutherford

d)

J.J. Thomson

e)

Niels Bohr

29.

Which model of the atom is the most up to date model?

a)

The Billiard Ball Model

b)

The Plum Pudding Model

c)

The Planetary Model

d)

The Wave Mechanical Model

e)

The Nuclear Model

30.
the smallest particle of an element that retains the chemical properties of that element
a)
ion
b)
isotope
c)
atom
d)
element
31.
What is the shorthand electron configuration for Sulfur atom?
a)
[Ar] 3p4
b)
[He] 3s23p4
c)
[Ne] 3s23p4
d)
[Na] 3s23p3
32.
What do you start electron configuration with?
a)
1s2
b)
1d10
c)
1f14
d)
1p6
33.
What is an ion?
a)
A Charged Atom
b)
A Large Atom
c)
A Small Atom
d)
A Cute Atom
34.
What is an isotope? 
a)
A charged atom
b)
An atom with different amounts of neutrons
c)
An atom with different amounts of protons
d)
A neutral atom

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