객관식
What is the atomic number of the element with the symbol Ni (nickel)?
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Multiple Choice
Which of the following is the atomic number of titanium (Ti)?
A
12
B
22
C
47
D
26
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검증된 단계별 안내1
Understand that the atomic number of an element is the number of protons in the nucleus of an atom of that element.
Recall that the atomic number uniquely identifies an element on the periodic table.
Locate titanium (Ti) on the periodic table to find its atomic number.
Note that titanium is a transition metal found in period 4 and group 4 of the periodic table.
Identify the atomic number of titanium as 22, which corresponds to the number of protons in titanium atoms.
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