Chemistry - Semester 1 Final Exam Review

Front

What is the most reactive element in period 2?

Back

Fluorine (F) is the most reactive element in period 2.

Front

What is the name of the compound P4H8?

Back

The name of the compound P4H8 is tetraphosphorous octahydride.

Front

What is an ionic bond?

Back

An ionic bond is a type of chemical bond that occurs when electrons are transferred from one atom to another, resulting in the formation of charged ions.

Front

What is the ionic formula of the compound formed between lithium and chlorine?

Back

The ionic formula of the compound formed between lithium and chlorine is LiCl.

Front

Which element is in period 3, group 4?

Back

Silicon is the element in period 3, group 4.

Front

What is the definition of a chemical compound?

Back

A chemical compound is a substance formed when two or more different elements are chemically bonded together.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons and the formation of ions, while covalent bonds involve the sharing of electrons between atoms.

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.

Front

What is the formula for calculating the number of moles?

Back

The formula for calculating the number of moles is: Moles = Mass (g) / Molar Mass (g/mol).

Front

What is a molecule?

Back

A molecule is a group of two or more atoms bonded together, representing the smallest fundamental unit of a chemical compound.