Chem Exam 2 Study

Gives the number of protons, neutrons, & electrons for an atom

Practice naming covalent compounds:

• OK

• OK

In nomenclature for covalent compounds _________ are used

▪ in the names of covalent compounds

▪ because two nonmetals can form two or more different compounds

• Occurs between two non-metals.

• Each provides an electron to the sharing relationship.

• The electron pair spends time with both nuclei so each feels like they have an octet.

Practice naming polyatomic ions:

• OK

• OK

A __________ ________▪ is a group of atoms that share electrons only within the group▪ has an overall positive or negative charge

A new type of ion

A cation or anion made up of several elements in coordinated covalent bond(s)

Practice Roman Numeral compound naming:

• OK

• OK

Which transition metals & Group 14 metals only form 1 ion

Most transition metals and Group 14 metals

▪ Form 2 or more ________