Background for isotopes
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isotopes

/ˈaɪsətoʊps/

Meanings
noun
Any of two or more forms of an element where the atoms have the same number of protons, but a different number of neutrons within their nuclei. As a consequence, atoms of isotopes will have the same atomic number but a different mass number.

Examples :

"Carbon has several isotopes, including carbon-12 and carbon-14, which scientists use in dating ancient artifacts. "
element chemistry physics science substance

Related Words

Illustration including

including verb

/ɪnˈkluːdɪŋ/

To bring into a group, class, set, or total as a (new) part or member.

"I will purchase the vacation package if you will include car rental."

Illustration neutrons

neutrons noun

/ˈnjuːtrɒnz/ /ˈnuːtrɒnz/

A subatomic particle forming part of the nucleus of an atom and having no charge; it is a combination of an up quark and two down quarks.

"The nucleus of a helium atom contains two protons and two neutrons. "

Illustration several

several noun

/ˈsɛv(ə)ɹəl/

An area of land in private ownership (as opposed to common land).

"The family owns several, a small plot of land behind their house. "

Illustration element

element noun

/ˈɛlɪmənt/

One of the simplest or essential parts or principles of which anything consists, or upon which the constitution or fundamental powers of anything are based.

"Letters are the elements of written language."

Illustration different

different noun

/ˈdɪf.(ə)ɹ.ənt/

The different ideal.

"My family has a different ideal for my future than I do. "

Illustration scientists

scientists noun

/ˈsaɪəntɪsts/

One whose activities make use of the scientific method to answer questions regarding the measurable universe. A scientist may be involved in original research, or make use of the results of the research of others.

"Scientists study plants to understand how they grow. "

Illustration protons

protons noun

/ˈpɹoʊtɑnz/

A positively charged subatomic particle forming part of the nucleus of an atom and determining the atomic number of an element, composed of two up quarks and a down quark.

"The number of protons in an atom's nucleus defines what element it is. "

Illustration ancient

ancient noun

/ˈeɪn.ʃənt/

A person who is very old.

"The ancient librarian was known for her vast knowledge of history. "

Illustration artifacts

artifacts noun

/ˈɑːrtɪfækt͡s/ /ˈɑːrtəfækt͡s/

An object made or shaped by human hand or labor.

"The museum displayed ancient pottery and tools as historical artifacts of the early settlers. "

Illustration within

within adjective

/wɪˈθɪn/ /wɪðˈɪn/

In the context of which the present document or ruling is made.

"the within appeal"

Illustration number

number noun

/ˈnʌmbə/ /ˈnʌmbɚ/ /ˈnʌmə/ /ˈnʌmɚ/

An abstract entity used to describe quantity.

"Zero, one, −1, 2.5, and pi are all numbers."

Illustration consequence

consequence noun

/ˈkɒnsɪkwɛns/ /ˈkɑnsɪkwəns/

That which follows something on which it depends; that which is produced by a cause.

"If you miss your curfew, a consequence is having to stay inside and do chores. "