Chemistry: Precision & Design, Flashcard 15

Front

In a chemistry class, Ethan and Isla are discussing a bonding situation in which electrons are shared by more than two atoms. This type of bonding is known as __________.

Back

delocalization

Front

In a chemistry class, Abigail observed that electrons in certain molecules circulate freely through the molecule instead of being bound to a single atom or pair of atoms. These electrons are said to be __________.

Back

delocalized

Front

Will water molecules with a symmetrical distribution of polar covalent bonds be __________ as a whole?

Back

nonpolar

Front

In a chemistry class, Zoe is learning about different types of structures. She comes across a formula where nonbonding electrons are shown as dots around atoms and bonds are shown as lines or dots between atoms. This is known as a __________ structure.

Back

Lewis

Tags

NGSS.HS-PS1-1

Front

Predict the geometry of a molecule similar to the one in the picture.

Back

trigonal pyramidal

Front

Ava is working on a chemistry project and needs to predict the geometry of a molecule she is studying. The molecule is shown in the picture. What is the geometry of the molecule?

Back

angular

Front

Predict the geometry of the molecule in the picture.

Back

trigonal planar

Front

Predict the geometry of a molecule with the formula SiI₄.

Back

tetrahedral

Front

Molecules in which three atoms are arranged in a straight line have ___ geometry.

Back

linear

Front

Why is ammonia (NH₃) polar but boron trifluoride is not?

Back

Ammonia has bonds arranged asymmetrically, but boron trifluoride has bonds arranged symmetrically.