2024 Chemistry Review Items

How many total atoms are in the compound below?

• 10
• 2
• 5
• 6
• 7

Tags

NGSS.MS-PS1-1

How many total atoms are in the compound below?

• 3
• 4
• 5
• 6

Tags

NGSS.MS-PS1-1

How many atoms of Hydrogen (H) are found in the compound below?

• 12
• 2
• 5
• 6
• 9

Tags

NGSS.MS-PS1-1

A covalent bond that is a triple bond contains this (TOTAL) amount of shared electrons

• 2
• 4
• 6
• 8

How many electrons do MOST atoms need to fill their valence shell?

• 2
• 4
• 6
• 8
• 10

The octet rule states that:

• Atoms will lose, gain, or share electrons to obtain a full valence shell
• Bonding in unlikely to occur between oppositely charged ions
• A single covalent bond involves two pairs of shared electrons
• A covalent bond results between two oppositely charged ions
• Halogens often bond with alkaline earth metals

Two Nitrogen atoms sharing three pairs of electrons to fill their valence shells with eight electrons each is called a ______ covalent bond.

• Single
• Double
• Triple
• ionic

Which of the following is the correct Lewis Dot diagram for Neon?

• H
• A
• B
• C
• D

Tags

NGSS.MS-PS1-1

How many electrons should chlorine have around its Lewis Dot diagram?

• 7
• 5
• 17
• 35

In the Lewis Dot structure of two covalently bonded atoms, a single line between two atoms represents

• Electrostatic Force
• An ionic bond
• A shared pair of electrons
• The electron cloud
• Valence electrons