A chemical bond is ___

• A force that keep atoms together.

• A transfer of an electron from one atom to another atom

• A force of attraction between the negative charge of electrons and the positive charge of the nucleus.

• An force of attraction exerted by outer shell valance shell electrons.

Tags

NGSS.HS-PS1-4

In ionic bonding ___

• Valance electrons are shared between two or more atoms

• Valance electrons are free floating causing the compound to be electrically neutral

• Metals atoms transfer their valance electrons to nonmetal atoms

• Are insoluble and conduct electricity

Tags

NGSS.HS-PS1-2

Aqueous solubility ___

• Is the ability of a compound to dissolve in water

• Is the ability of a compound to conduct electricity

• Is the ability of a compound to be rigid and difficult to break

Calcium Bromide (CaBr₂) bond type is _____

• An ionic bond

• A molecular covalent bond

• A network covalent bond

• A metallic bond

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-3

All are properties of network covalent bonds, except for ___

• Does not conduct electricity

• Does not dissolve in water

• Extremely hard and solid

• Made of two or more nonmetals

• Made of two or more metals

The type of bond of ethanol (C₂H₅OH) is ___.

(Ethanol dissolves in water but does not conduct electricity)

• Ionic

• molecular covalent

• network covalent

• metallic

Tags

NGSS.HS-PS1-3

All are properties of a metallic compound, except for __

• Conducts electrity

• Does not dissolve in water

• Brittle and easy to break

• Made entirely of metal atoms

Which of these substances will dissolve in water. ____ (Make all that apply)

• SiO₂ (sand)

• Sodium Bicarbonate (baking soda)

• Gold

• Sugar

Tags

NGSS.HS-PS1-3

Which of these substances is durable. ____ (Make all that apply)

• SiO₂ (sand)

• Sodium Bicarbonate (baking soda)

• Gold

• Sugar

Tags

NGSS.MS-PS1-2

Which of these substances conducts electricity as a solid. ____ (Make all that apply)

• SiO₂ (sand)

• Sodium Bicarbonate (baking soda)

• Gold

• Sugar

Tags

NGSS.HS-PS1-3