Review

Multiple Choice

The nucleus of an atom contains which subatomic particles?

• protons and electrons

• protons and neutrons

• electrons and neutrons

• protons, electrons, and neutrons

Multiple Choice

Typically in an atom, which two subatomic particles are equal in number?

• protons and neutrons

• all subatomic particles are equal in number

• neutrons and electrons

• protons and electrons

Multiple Choice

An element has 3 electrons and a mass of 7. How many protons does this element have?

• 3

• 7

• 4

• 10

Multiple Choice

How many electrons does Lithium have if it has an atomic number of 3 and mass of 7?

• 3

• 7

• 4

Multiple Choice

An atom of Chlorine, Cl, has an atomic number of 17 and a mass of 35. How many subatomic particles are INSIDE the nucleus

• 17

• 35

• 18

Multiple Choice

The electron configuration of an atom is 1s²2s²2p⁶.  The number of electrons in the atom is _____.

• a. 3

• b. 6

• c. 8

• d. 10

Multiple Choice

The atoms along the staircase are called 

• metals
• nonmetals
• metalloids
• noble gases

Multiple Choice

Which electron configuration belongs to Chlorine (Cl)?

• a. 1s² 2s² 2p⁶ 3s² 3p⁵

• b. 1s² 2s² 2p⁶ 3s² 3p⁶

• c. 1s² 2s² 2p⁶ 3s² 3p⁷

• c. 1s² 2s² 2p⁶ 3s² 3p⁴

Multiple Choice

How many electrons can the d sublevel hold?

• a. 14

• b. 10

• c. 2

• d. 6

Multiple Choice

What atom matches this electron configuration?1s²2s²2p⁶3s^{2 ?}

• a. Al

• b. Mg

• c. Ne

• d. Na

Multiple Choice

Each row on the periodic table represents:

• a. an electron

• b. a sublevel

• c. an energy level

• d. an orbital

Multiple Choice

What atom matches this electron configuration?
[Xe] 6s² 4f¹⁴ 5d⁹

• Mercury
• Gold
• Platinum
• Thallium

Multiple Choice

What is the shorthand electron configuration for Sulfur atom?

• [Ar] 3p⁴
• [He] 3s²3p⁴
• [Ne] 3s²3p⁴
• [Na] 3s²3p³
  

Multiple Choice

Which element is pictured?

• neon
• fluorine
• magnesium
• argon

Multiple Choice

How many electrons would a Nitrogen ion gain/lose? If it has 5 valence electrons.

• lose 5

• gain 5

• lose 3

• gain 3

Multiple Choice

What is the ion formed from Sulfur? If it has 6 valence electrons.

• S⁺²

• S^-2

• S⁺⁶

• S^-6

Multiple Choice

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

• Br^-1

• Br⁺¹

• Br⁺⁷

• Br^-7

Multiple Choice

What is the charge of an atom that has lost one electron?

• -1
• -2
• +1
• +2

Multiple Choice

Al has 3 valence electron. It will have a charge of _______

• +3

• -3

• +2

• -2

Multiple Choice

Anions are _______ that form ____________ ions and __________ electrons.

• nonmetals, positive, lose
• nonmetals, negative, gain
• metals, positive, gain
• metals, positive, lose

Multiple Choice

Which orbital shows a violation of the Pauli Exclusion Principle?

• A
• B
• C
• D

Multiple Choice

Electrons occupy orbitals of lowest energy first is part of what electron configuration rule?

• Hund’s Rule
• Aufbau Principle
  
• Pauli Exclusion Principle

Multiple Choice

What is the Pauli Exclusion Principle?

• An atomic orbital can only hold a maximum of 2 electrons, each with opposite spins
• An atomic orbital can hold a minimum of 6 electrons, each with opposite spins
  
• An atomic orbital can hold a maximum of 6 electrons, each with the same spin
  
• An atomic orbital can hold a minimum of 2 electrons, each with opposite spins

Multiple Choice

Which orbital shows a violation of Hund's Rule?

• A
• B
• C
• D

Multiple Choice

Which orbital shows a violation of the Aufbau Principle?

• A
• B
• C
• D

Multiple Choice

The horizontal row on the periodic table is called a

• group
• family
• period
• atomic number

Multiple Choice

As you move left to right on a row or period what happens?

• Atomic number increases by 1

• Electrons decrease

• Number of shells decrease

• Nothing

Multiple Choice

All elements in the same row have the same number of shells.

• True

• False

• Sometimes

Multiple Choice

Elements in the same group or column have the same ...

• # of valence electrons

• # of shells

• # of protons

• Mass Number

Multiple Choice

Which periodic group has the smallest atomic radius?

• Alkali metals
• Halogens
• Noble Gases
• Transition metals

Multiple Choice

Ionization energy is...

• the energy required to add an electron to a specific atom
• how much energy it takes to remove an electron from an atom
• the energy required to shield the outer electrons from the nucleus
• a measure of the ability of an atom to attract electrons

Multiple Choice

Electronegativity is...

• how good an atom is at attracting electrons
• the ability of an atom to lose electrons
• the energy required to remove an electron from a specific atom
• how easy it is to make friends. 

Multiple Choice

Which has the greater EN: 
Cl or Al?

• Cl
• Al

Multiple Choice

As you move down a Group on the periodic table, what happens to the size of the atoms?

• they stay the same

• they get larger

• they get smaller

Multiple Choice

Why does atomic radius increase top to bottom in a group?

• Zeff (nuclear pull) is greater. More protons pull the atom closer together

• Zeff (nuclear pull) is less. More energy levels are added and the nucleus can't hold on.

• Electrons are being lost

• Protons are being lost

Multiple Choice

Why does ionization energy increase left to right in a period (row)?

• Zeff (nuclear pull) is greater. More protons pull the atom closer together

• Zeff (nuclear pull) is less. More energy levels are added and the nucleus can't hold on.

• Electrons are being lost

• Protons are being lost

Multiple Choice

The type of bond where valence electrons are SHARED is called: 

• Covalent
• Ionic
• Hydrogen
• Isotope 

Multiple Choice

The type of bond where valence electrons are TRANSFERRED is called: 

• Covalent
• Ionic
• Hydrogen
• Isotope

Multiple Choice

H₂O

• Ionic Bond
• Covalent Bond
• Both bonds
• Neither bond

Multiple Choice

NaCl

• Ionic Bond
• Covalent Bond
• Both bonds
• Neither bond

Multiple Choice

Which of the following is a characteristic property of ionic compounds?

• They form hard, brittle crystals with characteristic shapes
• They have low melting points
• They have low boiling points
• They contain no charged particles

Multiple Choice

In what form can an ionic compound conduct electricity?

• when dissolved in water
• as a solid
• as a crystal
• when warmed slightly

Multiple Choice

Phosphorous trichloride

• PCl₃
  
• P₃Cl
• P₃Cl₃
• PCL

Multiple Choice

SeF₄

• Tetraselenium fluoride
• Selenium Fluoride
• Selenium tetraflouride
• Selenium (IV) Fluoride

Multiple Choice

Name the following compound:
  BF₃

• boron fluoride
• boron difluoride
• monoboron trifluoride
• boron trifluoride

Multiple Choice

P₂O₅

• Phosphorus Oxide
• Pentaphosphorus Dioxide
• Diphosphorous pentoxide
• Phosphoric Oxygen

Multiple Choice

SF₆?

• Monosulfur Hexafluoride
• Sulfur hexafluoride
• Sulfate hexafluoride
• Sulfur hexafluorine

Multiple Choice

The correct name for the compound between sodium and sulfur is

• sodium sulfuride
• sodiumide sulfuride
• sodium sulfide
• sodium_(I) sulfide

Multiple Choice

The formula for iron_(III) oxide is

• FeO
• Fe₃O
• Fe₂O₃
• Fe₃O₂

Multiple Choice

What is the formula for boron selenide?

• B₂Se₃
• BSe
• BoSe
• B₃Se₂

Multiple Choice

What is the formula for a compound made of Mg²⁺ and As^3-?

• Mg₃As₂
• Mg2As3
• MgAs
• Mg₆As₄

Multiple Choice

The proper formula for aluminum nitrate:

• AlNO₃
• Al₂(NO₃)₃
• Al(NO₃)₃
• Al₃NO₃

Multiple Choice

Name the following ionic compound: MgSO₄

• magnesium sulfoxide
• magnesium sulfide
• magnesium sulfate
• magnesium oxide

Multiple Choice

Name the following ionic compound: Cr(NO₂)₃

• chromium nitrite
• chromium nitride
• chromium III nitride
• chromium III nitrite

Draw

Draw the LEDS:
Hydrogen + Hydrogen

Draw

Draw the LEDS:
Hydrogen + Oxygen

Draw

Draw the LEDS:
Chlorine + Chlorine

Draw

Draw the LEDS:
CO2

Draw

Draw the LEDS:
NH3