Chemistry Final Exam version 3

Front

What is the formula for iron (II) oxide?

Back

FeO

Front

What is the correct Lewis dot structure for Chlorine?

Back

Yes, it has 7 valence electrons represented as dots around the symbol Cl.

Front

What are valence electrons?

Back

Subatomic particles found in the outermost shell of an atom, responsible for the atom's reactivity.

Front

What is the molecular shape of a linear molecule?

Back

A straight line with bond angles of 180 degrees.

Front

What type of reaction is represented by the equation CH₄ + 2 O₂ → CO₂ + 2 H₂O?

Back

Combustion reaction.

Front

What is the formula for potassium chloride?

Back

KCl

Front

What are neutrons?

Back

Subatomic particles found in the nucleus of an atom, with no charge.

Front

What is a synthesis reaction?

Back

A type of chemical reaction where two or more simple substances combine to form a more complex product.

Front

What is a double replacement reaction?

Back

A chemical reaction where two compounds exchange ions or bonds to form two new compounds.

Front

What is the definition of isotopes?

Back

Atoms of the same element that have the same number of protons but different numbers of neutrons.