Atoms and Molecules

Front

What is the chemical formula for carbon dioxide?

Back

CO₂

Front

How many total atoms are present in one molecule of carbon dioxide (CO₂)?

Back

3 (1 carbon atom and 2 oxygen atoms)

Front

What is the charge of a neutron?

Back

Neutrons have no charge (they are neutral).

Front

What are the three main subatomic particles in an atom?

Back

Protons, neutrons, and electrons.

Front

What is the role of electrons in chemical bonding?

Back

Electrons are shared or transferred between atoms to form bonds.

Front

Define a compound in terms of its properties compared to the individual elements that form it.

Back

A compound has new properties that differ from the individual elements that compose it.

Front

What is the charge of an electron?

Back

Electrons have a negative charge.

Front

What is the nucleus of an atom composed of?

Back

The nucleus is composed of protons and neutrons.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds involve the transfer of electrons, while covalent bonds involve the sharing of electrons.

Front

What is the atomic number of an element?

Back

The atomic number is the number of protons in the nucleus of an atom.