AQA GCSE Chemistry · 8462
Specification 4.1.2.3, 4.2.1.2, 4.8.3.1, 4.8.3.2 · Paper 1, Paper 2
1 more note
- Revise: Metal Hydroxide Tests
A positively charged ion; the metal ions tested here are cations.
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GCSE Chemistry · key term
A positively charged ion formed when an atom loses one or more electrons.
Used by AQA, Edexcel and OCR
Specification 4.1.2.3, 4.2.1.2, 4.8.3.1, 4.8.3.2 · Paper 1, Paper 2
A positively charged ion; the metal ions tested here are cations.
Specification 0.1, 1.21, 1.22, 1.24, 1.26, 3.24, 3.26, 3.27, 4.3, 4.9, 9.3C, 9.6C, 9.7C · Paper 1, Paper 2
A positively charged ion.
Revise: Formulae of Elements and IonsPositive ions are cations and negative ions are anions.
An ion with a positive charge.
A positively charged ion, formed when an atom or group of atoms loses one or more electrons.
A positively charged ion that moves towards the negative cathode during electrolysis.
An atom or group of atoms with an overall positive charge.
A positively charged ion, such as , or .
A positively charged ion, such as sodium, Na⁺, or iron(II), Fe²⁺.
Specification C2.2a, C2.2d, C3.4a, C3.4b, C3.4d, C4.2b, C4.2c, C4.2d, C4.2e, PAG 2, PAG 5, PAG 6 · Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
Revise: Metals vs Non-MetalsLosing negative charge leaves a positively charged ion, called a cation.
A positively charged ion, attracted to the negative cathode during electrolysis.
A positively charged ion, attracted towards the negative cathode during electrolysis.
An ion with a positive electrical charge, produced when an atom or group of atoms loses one or more electrons.
A positively charged ion.
A positively charged ion, such as a metal ion identified using a flame test or sodium hydroxide solution.
A positively charged ion, such as a metal ion or ammonium ion.
Paper 1 (Foundation), Paper 2 (Foundation), Paper 3 (Higher), Paper 4 (Higher)
A positively charged ion, usually formed when a metal atom loses electrons.
Revise: Metals vs non-metalsMetal atoms commonly lose electrons when reacting with non-metals, producing positively charged ions called cations. Non-metal atoms commonly gain electrons in these reactions, producing negatively charged ions called anions. The attraction between the oppositely charged ions forms an ionic compound.
A positively charged ion formed when an atom loses electrons.
A positively charged ion formed by losing one or more electrons.
A positively charged ion, formed when an atom or group of atoms loses one or more electrons.
A positively charged ion, attracted to the negative electrode during electrolysis.
A positively charged ion that is attracted to the cathode.
A positively charged ion, formed when an atom or group of atoms loses electrons.
Link charge, electrode and direction explicitly: positive cations migrate to the negative cathode; negative anions migrate to the positive anode.
Check the electrode signs carefully: the cathode is negative and attracts cations; the anode is positive and attracts anions.
Use both parts of the evidence. Identifying only the cation or only the anion does not fully identify an unknown salt.
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