Chemistry Final Review

Multiple Choice

What is the atomic number?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

Multiple Choice

Atoms of the same element which have a different number of neutrons are called _________________.

• ions

• isotopes

• quarks

• molecules

Multiple Choice

What is the mass number defined as?

• the number of protons
• the number of protons and neutrons
• the number of neutrons
• the number of protons and electrons

Multiple Choice

What does the decimal number on the periodic table represent?

• atomic number

• electrons

• weighted average atomic mass

• mass number

Multiple Choice

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

Multiple Choice

The atomic number tells you what?

• number of electrons
• number of protons
• number of neutrons
• both electrons and protons in an atom.

Multiple Choice

What is a column on the periodic table called?

• period

• group/family

• valence

• row

Multiple Choice

What is a row on the periodic table called?

• period

• group/family

• valence

• column

Multiple Choice

Which is a halogen?

• Helium
• Chlorine
• Oxygen
• Neptune

Multiple Choice

Which is an alkali metal?

• Magnesium
• Iron
• Sodium
• Europium

Multiple Choice

Atoms with similar properties are most likely located...

• in the same period.
• in the same group.
• in different periods.
• to the right and left of each other.

Multiple Choice

Each element is unique based on its number of protons, also known as the...

• atomic mass
• valence number
• atomic symbol
• atomic number

Multiple Choice

Group Name and Number for Neon

• Alkaline Earth Metals 2 or 2A
• Noble Gases 18 or 8A
• Halogens 17 or 7A
• Alkali Metals 1 or 1A

Multiple Choice

Group Name and Number for Flourine

• Transition Metals 3-12
• Noble Gases 18 or 8A
• Halogens 17 or 7A
• Alkali Metals 1 or 1A

Multiple Choice

Group Name and Number for Magnesium

• Alkaline Earth Metals 2 or 2A
• Noble Gases 18 or 8A
• Halogens 17 or 7A
• Alkali Metals 1 or 1A

Multiple Choice

A proton is....

• A negatively charged subatomic particle
• A positively charged subatomic particle
• A neutrally charged subatomic particle
• The only subatomic particle located in the nucleus

Multiple Choice

Which elements have the most similar chemical properties?

• K and Na
• K and Ca
• K and Cl
• K and S

Multiple Choice

Who first developed the Periodic Table?

• Mendeleev
• Mosely
• Mendella
• Murphy

Multiple Choice

What is the formula to solve for the neutron?

• Mass + Atomic Number= Neutrons
• Mass x Atomic Number = Neutrons
• Mass - Atomic Number = Neutrons
• Mass + Number of Protons = Neutron

Multiple Choice

Elements which are shiny, conduct electricity and heat are called

• metal
• nonmetal
• metalloid
• nonexistent

Multiple Choice

Metals form what type of ion?

• positive

• negative

Multiple Choice

Nonmetals form what type of ion?

• positive

• negative

Multiple Choice

What is the oxidation state of a group 2 atom?

• -2

• +2

• +1

• 0

Multiple Choice

What is the oxidation state of an element in group 17?

• +7

• -7

• -1

• -2

Multiple Choice

What is the oxidation state of an element in group 15?

• +3

• +5

• -5

• -3

Multiple Choice

What is the trend and explanation for electronegativity down a group?

• increases due to increasing PELs

• decreases due to increasing PELs

• increases due to increasing nuclear charge

• decreases due to increasing nuclear charge

Multiple Choice

What is the trend and explanation for electronegativity across a period?

• increases due to increasing PELs

• decreases due to increasing PELs

• increases due to increasing nuclear charge

• decreases due to increasing nuclear charge

Multiple Choice

What is the trend and explanation for ionization energy down a group?

• increases due to increasing PELs (energy levels)

• decreases due to increasing PELs (energy levels)

• increases due to increasing nuclear charge

• decreases due to increasing nuclear charge

Multiple Choice

What is the trend and explanation for ionization energy across a period?

• increases due to increasing PELs

• decreases due to increasing PELs

• increases due to increasing nuclear charge

• decreases due to increasing nuclear charge

Multiple Choice

What is the trend and explanation for atomic radius across a period?

• increases due to increasing PELs

• decreases due to increasing PELs

• increases due to increasing nuclear charge

• decreases due to increasing nuclear charge