Matter, Trends, Bonding and Nomenclature review

a homogenous mixture

• solid

• solution

• matter

• compound

a mixture that has the same composition throughout the entire substance

• heterogenous mixture

• homogenous mixture

• pure substance

• matter

A(n) _________ is an ion with a positive (+) charge.

• anion
• cation
• ion
• solute

When an atom loses an electron, it becomes a:

• positive ion
• negative ion
• neutral ion
• neutral atom

Magnesium bromide is an ionic compound with the chemical formula MgBr₂.  What does the "2" tell you?

• There are 2 bromide ions for every magnesium ion
• Bromide has a 2- charge
• Bromide has a 2+ charge
• There are 2 magnesium ions to every bromide ion

Elements in Group 1 lose one electron to form ions with a _________________ charge.

• 1+
• 2+
• 0
• 1-

A charged particle that has gained at least one electron is called a(n) _____.

• Anion
• Cation
• Anonion
• chemistry cat

Which is the correct name for CaBr₂?

• Calcium Bromine
• Bromine Calcium
• Calcium Bromide
• Carbon and Bromine

A covalent compound contains _______.

• Alkali metals
• Two metals
• A metal and a nonmetal
• Nonmetals

When two atoms share electrons, a chemical bond is formed.  This type of bond is called:

• covalent bond
• ionic bond
• crystal bond
• polyatomic bond