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UK//ˈprəʊtɒn//US//ˈproʊtɑn//

Meaning of Proton

A positively charged particle found in the nucleus of an atom.

In simple words: A small particle in the center of an atom with a positive charge.

Proton in a sentence

  • Each atom contains protons in its nucleus.
  • Protons determine the atomic number of an element.
  • In hydrogen, there is one proton and one electron.
  • Protons have a positive charge, while electrons are negative.
  • A proton's mass is approximately 1,836 times that of an electron.

How to use Proton

Commonly used in chemistry and physics. Appropriate in scientific contexts but may be unfamiliar to those without a science background.

Grammar pattern

standalone noun

Memory hint

Protons are positive! Think of 'pro' as in someone who's good at something.

Related words

Collocations with Proton

  • nuclear physics
  • atomic structure
  • proton beam

Synonyms for Proton

  • nucleus particle
  • atomic particle
  • positron

Common mistakes with Proton

  • Confused with 'neutron' which has no charge.
  • Incorrectly pronounced, especially not stressing the first syllable.
  • Used in non-scientific contexts incorrectly.

Proton appears in

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Frequently asked questions about Proton

What does Proton mean?

A small particle in the center of an atom with a positive charge.

What is the definition of Proton?

A positively charged particle found in the nucleus of an atom.

How do you use Proton in a sentence?

Each atom contains protons in its nucleus.

Can you give another example of Proton?

Protons determine the atomic number of an element.

What are synonyms for Proton?

Common alternatives include nucleus particle, atomic particle, positron.

What words go with Proton?

It commonly pairs with nuclear physics, atomic structure, proton beam.

What are common mistakes when using Proton?

Confused with 'neutron' which has no charge. Incorrectly pronounced, especially not stressing the first syllable. Used in non-scientific contexts incorrectly.

How do you pronounce Proton?

US: //ˈproʊtɑn//, UK: //ˈprəʊtɒn//. Listen to the audio above to hear native pronunciation.

When should I use Proton?

Commonly used in chemistry and physics. Appropriate in scientific contexts but may be unfamiliar to those without a science background.