Copy and complete the table - Leaving Cert Chemistry - Question a - 2015
Question a
Copy and complete the table.
Isotope Atomic Number Mass Number Number of Neutrons
10B5
11B5
(i) Some elements have radioactive isotopes. Define ... show full transcript
Worked Solution & Example Answer:Copy and complete the table - Leaving Cert Chemistry - Question a - 2015
Step 1
Isotope 10B5
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Answer
Atomic Number: 5
Mass Number: 10
Number of Neutrons: 5
Step 2
Isotope 11B5
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Answer
Atomic Number: 5
Mass Number: 11
Number of Neutrons: 6
Step 3
Define radioactive
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Answer
Radioactive isotopes are unstable atoms that decay and emit radiation, such as alpha rays, beta rays, and gamma rays.
Step 4
Of what element was the metal foil made?
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Answer
The metal foil was made of gold.
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