Protons, Neutrons and Electrons Flashcards

1️⃣ Familiarise yourself with the flashcards:

  • Look through all the flashcards to see what's on both sides.
  • Make sure you understand the information on each card. If something's unclear, click the link to the revision notes at the bottom of the page for more details.

2️⃣ Test yourself:

  • Look at the question or prompt on each card and try to remember the answer before flipping it over.
  • Check the answer and make a note of any cards you find challenging and need to go over more.

3️⃣ Consistently Review and Practice:

  • Use spaced repetition: spend more time on the cards you struggle with and go over them more often.
  • Regularly review all the flashcards to help you better understand and retain the information over time.

Note: We may include questions that have multiple correct answers. It's useful to remember specific examples to understand these concepts better.

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What are the three main particles that make up an atom?

The three main particles are protons, neutrons and electrons.

Where in an atom are protons and neutrons found?

Protons and neutrons are found in the nucleus at the centre of the atom.

Where in an atom are electrons found?

Electrons move around the nucleus in the space around it.

What electrical charge does a proton have?

A proton has a positive charge.

What electrical charge does an electron have?

An electron has a negative charge.

What electrical charge does a neutron have?

A neutron has no charge, so it is neutral.

Which particle is much lighter, a proton or an electron?

An electron is much lighter than a proton.

Which two particles in an atom have similar mass?

Protons and neutrons have similar mass.

Why is a normal atom electrically neutral overall?

A normal atom is neutral because it has the same number of protons as electrons, so the positive and negative charges cancel out.

Which particles in an atom are called nucleons, and why?

Protons and neutrons are called nucleons because they are found in the nucleus.

Give one way protons and neutrons are similar and one way they are different.

Protons and neutrons are similar because both are in the nucleus and have similar mass. They are different because protons are positively charged, while neutrons have no charge.

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