Chemistry Review

Front

What are protons?

Back

Protons are positively charged particles found in the nucleus of an atom. They determine the atomic number and identity of an element.

Front

What is the basic unit of matter?

Back

The basic unit of matter is the atom, which consists of protons, neutrons, and electrons.

Front

How many covalent bonds can Neon (atomic number 10) make?

Back

Neon can make 0 covalent bonds because it has a full outer shell of 8 valence electrons.

Front

What is a single covalent bond?

Back

A single covalent bond is formed when one pair of electrons is shared between two atoms.

Front

How many electrons does a Boron atom contain?

Back

A Boron atom contains 5 electrons.

Front

What is an atom?

Back

An atom is the smallest unit of an element that retains the properties of that element.

Front

What are neutrons?

Back

Neutrons are neutral particles found in the nucleus of an atom, contributing to the atomic mass.

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.

Front

What is a compound?

Back

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

Front

What is the atomic number?

Back

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