Positive Ions (OCR GCSE Physics A (Gateway Science Suite)): Flashcards

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Positive Ions
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In a neutral atom, protons vs electrons

Same number

Name for charged particles formed by losing/gaining electrons

Ions

Charge of ion when atom loses one or more electrons

Positively charged

Charge of ion when atom gains one or more electrons

Negatively charged

Number of electrons in neutral helium atom

Two

Number of protons in helium atom

Two

Why is a neutral helium atom neutral?

Two positive protons and two negative electrons

What helium becomes when it loses or gains an electron

An ion

Charge of helium ion with 2 protons and 1 electron

Positive

Charge of helium ion with 2 protons and 3 electrons

Negative

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