Physical Science: Naming Compounds and Writing Formulas

11 terms by sydmorrison Teacher

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name

The __ of an ionic compound must distinguish the compound from other ionic compounds containing the same elements

ratio of ions

What the chemical formula of an ionic compound tells you? elements and __

"ide"

Names of ions are formed by placing the suffix -_ after part of the name of the non-metal.

charge

When a metal forms more than one ion, the name of the ion contains a Roman numeral to indicate the __ on the ion.

polyatomic ion

A ___ is a covalently bonded group of atoms that has a positive or negative charge and acts as a unit.

three

Howm many ammonium ions are needed to form a compound with one phosphate ion.

number of atoms

What information is provided by the name and formula of a molecular compound? elements and ____

most metallic element

What appears first in the name of a molecular compound?

prefix(es)

What identifies the method of naming the number of atoms in molecular compounds?

anion

An ion with a negative charge

cation

An ion with a positive charge

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