Chemistry Final Exam

Front

What type of bond is formed when atoms share electrons?

Back

Covalent bond: A type of chemical bond where two atoms share one or more pairs of electrons.

Front

How many electrons does a neutral atom of carbon have if it has 6 protons?

Back

6 electrons: In a neutral atom, the number of electrons equals the number of protons.

Front

What is the smallest 'building block' of the elements that make up the universe?

Back

An atom: The basic unit of a chemical element.

Front

What is a neutral particle found in the nucleus of an atom?

Back

Neutron: A subatomic particle with no electric charge, found in the nucleus of an atom.

Front

What will an atom of neon MOST likely do to be stable?

Back

Neither gain nor lose any valence electrons: Neon is a noble gas with a full valence shell.

Front

What is the charge of a proton?

Back

Positive charge: Protons carry a positive electric charge.

Front

What is the charge of an electron?

Back

Negative charge: Electrons carry a negative electric charge.

Front

What is the atomic number of an element?

Back

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

Front

What is a molecule?

Back

A molecule is formed when two or more atoms bond together chemically.

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.