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Chemistry

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9th - 12th Grade

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Practice Problem

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Medium

Used 3+ times

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2 Slides • 34 Questions

Multiple Choice

The number of valence electrons in an element affects the reactivity of that element. Which element listed has the fewest valence electrons?

beryllium (Be)

sodium (Na)

oxygen (O)

neon (Ne)

Multiple Choice

What is the family name of this group of elements?

Alkali metals

Halogens

Noble Gases

Alkali Earth Metals

Multiple Choice

Which element has 2 valence electrons?

cesium (Cs)

magnesium (Mg)

boron (B)

argon (Ar)

Multiple Choice

Which is the best definition of Valence Electron?

electrons with the least amount of energy

electrons closest to the nucleus

electrons found in within the highest principal quantum number

electrons that are in the nucleus of the atom

Multiple Choice

Which type of bond has an equal sharing of electrons?

Polar Covalent

Non Polar Covalent

Ionic

Metallic

Multiple Choice

Which type of bond has an unequal sharing of electrons?

Polar Covalent

Non Polar Covalent

Ionic

Metallic

Multiple Choice

Which type of bond has a transfer of an electron from a metal to a non-metal atom?

Polar Covalent

Non Polar Covalent

Ionic

Metallic

Multiple Choice

Bonds that form between two metals are called ______________ bonds.

ionic

covalent

metallic

pervasive

Multiple Choice

Covalent compounds

Share electrons

transfer electrons

contain a sea of electrons

conduct electricity

Multiple Choice

What is the number of valence electrons for Oxygen?

Multiple Choice

Which type of bond creates a "sea" of electrons between atoms?

Ionic Bonds

Covalent Bonds

Metallic Bonds

Saving Bonds

Multiple Choice

Which of the following is an example of an IONIC COMPOUND?

NaCl

H₂O

CO₂

Multiple Choice

Which of the following is an example of a COVALENT COMPOUND?

H₂S

CaCl₂

MgO

Multiple Choice

Determine the type of bond in a nitrogen molecule (N₂).

Double covalent

Single covalent

Ionic

Triple covalent

Multiple Choice

Which of the following is the correct Lewis dot structure for the molecule fluorine (F₂)?

Multiple Choice

When writing Lewis Structures, only __________ electrons are used.

Inner shell

Core

Valence

Stable

Multiple Choice

Each line in a Lewis Structure represents __________ electron(s).

Multiple Choice

What is the correct Lewis Dot Structure for ammonia NH3

Multiple Choice

Which is the correct molecular structure for carbon dioxide?

Multiple Choice

Our modern Periodic Table is organized by increasing....

oxidation numbers

average atomic mass

atomic number

alphabetical order

Multiple Choice

What atom matches this electron configuration?
1s²2s²2p⁶3s²3p⁶4s²3d¹⁰

Zinc

Copper

Nickel

Germanium

Multiple Choice

What atom matches this electron configuration?
1s²2s²2p⁶3s²

Neon

Magnesium

Aluminum

Potassium

Multiple Choice

Which electron configuration belongs to Chlorine (Cl)?

1s²2s²2p⁶3s²3p⁵

1s²2s²2p⁶3s²3p⁶

1s²2s²2p⁶3s²3p⁷

Multiple Choice

Which of the following is not a sublevel

Multiple Choice

Electron arrangement that uses arrows

Electron configuration

Shorthand configuration

Lewis dot structure

Orbital diagram

Multiple Choice

There are 4 different types of subshells (orbitals) s,p,d,f.

true

false

Multiple Choice

Choose the correct electron configuration for Beryllium (Be).

1s¹

1s² 2s²

1s² 2s²2p¹

Multiple Choice

Choose the correct electron configuration for Chlorine (Cl).

1s² 2s²2p¹

1s² 2s²2p⁶3s²

1s² 2s²2p⁶3s²3p⁵

Nickel (Ni)

-The tenth element in period 4

-8 electrons in 3s & 3p + 8 electrons in 3d block

-2 electrons on the fourth shell

-Start at H and move across the period to count the valence electrons

-Move down a period and count across

-Repeat, stopping at Ni

Multiple Choice

Choose the correct electron configuration for Nickel (Ni).

1s² 2s²2p⁶3s²3p⁶ 4s² 3d⁸

1s² 2s²2p⁶3s²3p⁶ 4s² 3d²

1s² 2s²2p⁶3s²3p⁶ 4s¹⁰

Krypton (Kr)

-The eighteenth element in period 4

-8 electrons in 3s & 3p + 8 electrons in 3d block

-8 electrons on the fourth shell (2 in 4s & 6 in 4p)

-Start at H and move across the period to count the valence electrons

-Move down a period and count across

-Repeat, stopping at Kr

Multiple Choice

Choose the correct electron configuration for Krypton (Kr).

1s² 2s²2p⁶3s²3p⁶ 4s⁸ 3d⁸

1s² 2s²2p⁶3s²3p⁶ 4s² 3d⁸4p3

1s² 2s²2p⁶3s²3p⁶ 4s² 3d⁸4p⁶

Multiple Choice

Name this structure.

pentane

triane

propane

butane

Multiple Choice

What is the molecular formula for heptane?

$C_7H_{14}$

$C_7H_{16}$

$C_6H_{14}$

$C_6H_{12}$

Reorder

Reorder the followingComplete the following about a homologous series of alkane

Methane

ethane

Propane

Butane

Pentane

Multiple Choice

Which of the following hydrocarbons contains at least one triple bond?

Alkanes

Alkenes

Alkynes

The number of valence electrons in an element affects the reactivity of that element. Which element listed has the fewest valence electrons?

beryllium (Be)

sodium (Na)

oxygen (O)

neon (Ne)

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