Which process is being described here: when high frequency light is absorbed, an electron in an atom moves to a higher energy level.

Choose 1 answer

ionisation

excitation

relaxation

respiration

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Which of these best describes ionisation?

Choose 1 answer

an atom becoming charged when it loses an electron

an atom becoming charged when it loses a proton

an atom becoming charged when it loses a neutron

an atom becoming charged when it loses an isotope

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Which of these best explains an isotope?

Choose 1 answer

the same number of protons and a different number of electrons

the same number of electrons and a different number of neutrons

the same number of protons and a different number of neutrons

the same number of neutrons and a different number of protons

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Which particle within an atom has a negative charge?

Drag the images into the correct place.

correct answer

incorrect answers

protons

neutrons

electrons

isotope

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Fill in the blanks.

Select the missing words in the text.

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Answer incorrect

Look at the slide below to work out the answer.