Molecular structure

What is the meaning of molecules?

• that some elements are molecules

• a group of atoms that are held together by chemical bonds and act as a unit

• atoms can from complex molecules that range size

• one group of compound is ionic compounds

Tags

16

What type molecules liquid to gas?

• vaporization

• freezing

• melting

True or False: Everything on Earth (and the universe!) is made of different combinations of the elements found on the Periodic Table.

• False

• True

True or False: Some molecules will bond to other molecules, forming large structures.

• False

• True

According to VSEPR, molecules adjust their shapes to keep which of the following as far away as possible?

• Pairs of valence electrons

• Inner shell electrons

• Mobile Electrons

• Electrons closest to the nucleus

Which of the following molecular shapes would have a bond angle of 180 Degrees?

• Bent

• Linear

• Tetrahedral

• Trigonal Planar

True or False: All elements can bond to form molecules.

• True

• False

True or False: Atoms can bond to form molecules.

• True

• False

diphosphorus pentoxide

• P₂O₆

• P₂O₅

• PO₅

• P₅O₂

A lone pair is defined as

• A pair of electrons on the central atom

• A pair of bonding electrons

• One non-bonding electron

• A pair of non-bonding electrons