Chemistry - Precision and Design - Chap. 9 Test

Front

What type of bond results from the sharing of four electrons?

Back

double bond

Front

What term refers to very hard substances, such as diamond, silicon carbide, and quartz, that contain covalent bonds but do not consist of discrete molecules?

Back

covalent networks

Front

What is a covalent bond in which the bonding electron pair is pulled closer to the more electronegative element?

Back

polar bond

Tags

NGSS.HS-PS1-1

Front

What principle explains why elements react to achieve a noble-gas electron configuration by losing, gaining, or sharing electrons?

Back

octet rule

Tags

NGSS.HS-PS1-1

Front

What type of geometry does acetone (CH₂O) have with three bonding pairs of electrons around the central atom?

Back

trigonal planar

Front

Geometry of hydrogen selenide (H₂Se) with two bonding pairs and two nonbonding pairs of electrons around the central atom.

Back

angular

Front

Properties of a CO₂ molecule with two polar bonds pointing symmetrically in opposite directions.

Back

nonpolar

Front

A solid whose particles are characterized by a regular, repeating, three-dimensional pattern is an ______ solid.

Back

crystalline

Front

In a game of building crystal blocks, the simplest repeating unit that Daniel uses is a ______.

Back

unit cell

Front

What term refers to a bonding situation in which electrons are shared by more than two atoms?

Back

delocalization