Chemistry Fall Final Review

Front

Which chemical family is considered to be non-reactive as a result of a stable outer electron shell?

Back

Noble Gases

Front

What do elements of Period 4 have in common?

Back

They all have 4 energy levels.

Front

Which of the following statements is true concerning the composition of covalent compounds?

Back

They are formed from only two nonmetals.

Front

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

Back

Combustion

Front

What is the correct formula for potassium sulfite?

Back

K2SO3

Front

What is the definition of a covalent bond?

Back

A covalent bond is a chemical bond formed by the sharing of electron pairs between atoms.

Front

What is the octet rule?

Back

The octet rule states that atoms tend to gain, lose, or share electrons to achieve a full outer shell of eight electrons.

Front

What are the main characteristics of metals?

Back

Metals are typically shiny, malleable, ductile, and good conductors of heat and electricity.

Front

What is the difference between ionic and covalent compounds?

Back

Ionic compounds are formed from the transfer of electrons between metals and nonmetals, while covalent compounds are formed by the sharing of electrons between nonmetals.

Front

What is the significance of the periodic table?

Back

The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.