Question

complete the table.
element name chemical symbol atomic number
strontium sr 38
zn
zinc
zirconium
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protons, neutrons, and electrons in atoms
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Explanation:

Step1: Recall atomic number concept

The atomic number of an element is unique and is equal to the number of protons in the nucleus of its atom.

Step2: Find atomic number of zinc

Zinc (Zn) has an atomic number of 30.

Answer:

Element name	Chemical symbol	Atomic number
zinc	Zn	30