The nucleus of a hydrogen atom can be represented by this symbol:
\[^{1}_{1}H\]
(i) Complete this sentence by putting a cross (\(\times\)) in the box next to your answer - Edexcel - GCSE Physics - Question 6 - 2014 - Paper 1
Question 6
The nucleus of a hydrogen atom can be represented by this symbol:
\[^{1}_{1}H\]
(i) Complete this sentence by putting a cross (\(\times\)) in the box next to your ... show full transcript
Worked Solution & Example Answer:The nucleus of a hydrogen atom can be represented by this symbol:
\[^{1}_{1}H\]
(i) Complete this sentence by putting a cross (\(\times\)) in the box next to your answer - Edexcel - GCSE Physics - Question 6 - 2014 - Paper 1
Step 1
Complete this sentence by putting a cross (\(\times\)) in the box next to your answer.
96%
114 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The correct answer is B, which indicates that the nucleus consists of 1 proton only. In hydrogen, there is no neutron present.
Step 2
State how these symbols show that they are isotopes of hydrogen.
99%
104 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The symbols ( ^{2}{1}D ) and ( ^{3}{1}T ) indicate that both isotopes have the same number of protons (which is 1) but different numbers of neutrons: deuterium has 1 neutron and tritium has 2 neutrons.
Step 3
Compare the charges of a helium nucleus and a neutron.
96%
101 rated
Only available for registered users.
Sign up now to view full answer, or log in if you already have an account!
Answer
The helium nucleus has a positive charge due to the presence of 2 protons, giving it a charge of +2. In contrast, a neutron has no charge; it is neutral.
![The-nucleus-of-a-hydrogen-atom-can-be-represented-by-this-symbol:--\[^{1}_{1}H\]--(i)-Complete-this-sentence-by-putting-a-cross-(\(\times\))-in-the-box-next-to-your-answer-Edexcel-GCSE Physics-Question 6-2014-Paper 1.png](https://cdn.simplestudy.cloud/assets/backend/uploads/question/subject_385_paper_2977_q6_67bff6f5.jpg)
