2020 Chemistry - Semester 1 Final Exam Review Modules 2-4

Front

What does the atomic mass represent?

Back

The atomic mass is the weighted average mass of an element's isotopes, measured in atomic mass units (amu).

Front

Where are metals located on the periodic table?

Back

Metals are found on the left side of the periodic table.

Front

What type of bond involves the sharing of electrons between two atoms?

Back

A covalent bond involves the sharing of electrons between two atoms.

Front

How do you rank elements based on electronegativity?

Back

Electronegativity increases from left to right across a period and decreases from top to bottom in a group.

Front

What type of bond is formed when atoms donate electrons to a sea of electrons?

Back

A metallic bond is formed when atoms donate electrons to a sea of electrons.

Front

What is the definition of electronegativity?

Back

Electronegativity is the tendency of an atom to attract electrons in a chemical bond.

Front

What is the significance of the atomic number?

Back

The atomic number represents the number of protons in an atom's nucleus and determines the element's identity.

Front

What are valence electrons?

Back

Valence electrons are the electrons in the outermost shell of an atom that are involved in chemical bonding.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons from one atom to another, while covalent bonds involve the sharing of electrons.

Front

What is a common property of metals?

Back

Metals are typically good conductors of heat and electricity.