Complete the sentence by putting a cross (X) in the box next to your answer - Edexcel - GCSE Physics - Question 2 - 2016 - Paper 1
Question 2
Complete the sentence by putting a cross (X) in the box next to your answer.
When atoms gain or lose electrons they become
A protons
B neutrons
C molecules... show full transcript
Worked Solution & Example Answer:Complete the sentence by putting a cross (X) in the box next to your answer - Edexcel - GCSE Physics - Question 2 - 2016 - Paper 1
Step 1
Complete the sentence by putting a cross (X) in the box next to your answer.
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Answer
The correct answer is D: ions. When atoms gain or lose electrons, they are transformed into ions. This process results in a charge imbalance, as the number of protons and electrons in the atom changes.
Step 2
Complete the table for the particles that make up an alpha particle.
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Answer
An alpha particle is composed of:
Name of particle: proton
Number of particles: 2
In total, an alpha particle consists of 2 protons and 2 neutrons, but since the table specifically requests the number of protons, we only list the protons.
