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Edexcel A-Level Chemistry Paper 1 Questions & 100% Correct AnswersLatest Test | Graded A+ | Passed $10.49   Add to cart

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Edexcel A-Level Chemistry Paper 1 Questions & 100% Correct AnswersLatest Test | Graded A+ | Passed

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What is another name for the mass number? ֎ -:- nucleon number What is another name for the atomic number? ֎ -:- proton number What is an isotope? ֎ -:- atom of the same element with the same atomic number, and a different number of neutrons How is relative atomic mass measured? ֎ -:- ...

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  • August 27, 2024
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Edexcel A-Level Chemistry Paper 1
Questions & 100% Correct Answers-
Latest Test | Graded A+ | Passed
What is another name for the mass number?


֎ -:- nucleon number




What is another name for the atomic number?


֎ -:- proton number




What is an isotope?


֎ -:- atom of the same element with the same atomic number, and a different

number of neutrons




How is relative atomic mass measured?


֎ -:- relative to the mass of 1/12 of a carbon-12 atom




What charge are ions in a mass spectrometer?


֎ -:- +1




What unit is given by a mass spectrometer?




26/08/2024 | © Copyright- This work may not be copied for profit.

, Excellence is key | 2024/2025 ~Page |2


֎ -:- m/z (mass / charge)




What type of compound produces an M+1 peak?


֎ -:- organic compound




Why are M+1 peaks seen in mass spectrometry?


֎ -:- carbon-13 is present in small amounts




What are the first four quantum subshells, in increasing energy levels?


֎ -:- s, p, d, f




What shape are s-orbitals?


֎ -:- spherical




What shape are p-orbitals?


֎ -:- elongated dumbbells




Which elements have unusual electronic configurations including 4s1 where 4s2 may be

expected?


֎ -:- chromium and copper




26/08/2024 | © Copyright- This work may not be copied for profit.

, Excellence is key | 2024/2025 ~Page |3


Which shell fills up first? [3d/4s]


֎ -:- 4s




Which shell fills up first? [2p/3s]


֎ -:- 2p




How does spin-spin pairing occur?


֎ -:- orbitals in a subshell receive one electron, then two before moving onto

the next subshell




What is the equation for first ionisation energy (IE1)?


֎ -:- A(g) -> A+(g) + e-




What is the equation for second ionisation energy (IE2)?


֎ -:- A+(g) -> A2+(g) + e-




What is the definition of first ionisation energy (IE1)?


֎ -:- energy needed to remove one mole of the outermost electrons from one

mole of gaseous atoms to produce one mole of gaseous ions with a charge of

+1




26/08/2024 | © Copyright- This work may not be copied for profit.

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