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Which element has 31 protons in its nucleus?
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4. Atoms and Elements
Subatomic Particles (Simplified)
Scelta multipla
Which element has protons in its nucleus?
A
Osmium (Os)
B
Lead (Pb)
C
Tungsten (W)
D
Gold (Au)
Guida verificata passo dopo passo1
Recall that the number of protons in the nucleus of an atom defines the atomic number of an element.
Identify the atomic number given in the problem, which is 74 protons.
Use the periodic table to find the element with atomic number 74.
Check the element symbols and names to match the atomic number 74 with the correct element.
Confirm that the element with 74 protons is Tungsten (W), not Osmium (Os), Lead (Pb), or Gold (Au).
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