Honors Chemistry Final Fall 2024

Front

What is a limiting reactant?

Back

The limiting reactant is the reactant that is used up first in a chemical reaction, determining the amount of product formed.

Front

How many electrons does a neutral atom of aluminum have?

Back

A neutral atom of aluminum has 13 electrons.

Front

Where are protons located in an atom?

Back

Protons are located inside the nucleus of an atom.

Front

How many neutrons are in a neutral atom of aluminum?

Back

A neutral atom of aluminum has 14 neutrons.

Front

What is an example of a chemical change?

Back

Boiling an egg is an example of a chemical change.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom, which determines the element's identity.

Front

What is the difference between a physical change and a chemical change?

Back

A physical change alters the form of a substance without changing its chemical composition, while a chemical change results in the formation of new substances.

Front

What is the role of electrons in chemical bonding?

Back

Electrons, particularly valence electrons, are involved in forming chemical bonds between atoms.

Front

What is the law of conservation of mass?

Back

The law of conservation of mass states that mass is neither created nor destroyed in a chemical reaction.

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.