Bonding

Because carbon and oxygen can combine to make CO2 which is recognized as a chemical compound what law is represented?

• Law of Definite Proportions

• Law of Infinite Proportions

• Law of Multiple Proportions

• Law of Construction of Matter

Tags

NGSS.HS-PS1-2

What is the purpose of the picture?

• To represent D block electrons used in bonding

• To represent F block electrons used in bonding

• To represent valence electrons used in bonding

• To represent electrons in bonding to create instability

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

An ionic bond is considered a _______ bond because?

• intramolecular, it determines phyiscal properites

• intramolecular, it determines the chemical properties

• hydrogen, it determines the physical properties

• intermolecular, it determines the physical properties

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-3

Cations are ________________- because?

• positive, they are formed when metals take electrons to become stable

• negative, they are formed when nonmetals take electrons to become stable

• neutral, they are formed when metals give electrons to become stable

• positive, they are formed when metals lose electrons to become stable

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Choose all correct answer choices

• Elements ionize to gain or lose electron

• +2 is the oxidation number for the Alkali metals

• -3 represents the gaining of 3 valence electrons by Aluminum to become stable

• Noble gases have a stable electron configuration because they have 8 valence electrons

Tags

NGSS.HS-PS1-1

NGSS.HS-PS1-2

Salt is placed in water and dissolves. This is because?

• Salt is soluble in water

• Water is soluble in salt

• Salt is insoluble in water

• None of the above

Tags

NGSS.HS-ESS2-5

Choose all answers that are correct.

• The image is a crystal lattice

• Ionic and covalent molecules can form crystal lattice

• The image is a covalent electron

• The image could represent salt

Tags

NGSS.HS-PS1-3

Salts in Gatorade are called _____________ because

• cations, they do not conduct electricty

• anions, they conduct electricity

• electrolytes, they do not contain an electric charge

• none of the above

Contrast polar and nonpolar bonds.

• A polar bond will unequally share electrons and a nonpolar bond will equally share electrons

• A polar bond will share electrons equally and a nonpolar bond will unequally share electrons

• Polar bonds are covalent and nonpolar bonds are ionic

• None of the above

CO2 is considered organic because?

• It contains oxygen

• It is covalently bonded

• It contains carbon

• It is ionically bonded

Tags

NGSS.HS-LS1-6