Which element has 30 protons in its nucleus?

Which element has 34 protons in its nucleus (i.e., atomic number $34$)?

In the context of the periodic table and element symbols, which element is commonly used for shiny trim on cars (often as chrome plating)?

Which element has an atomic number of $80$ (i.e., $80$ protons in its nucleus)?

Which element has $53$ protons (atomic number $53$)?

Which element (neutral atom) has 18 electrons?

Which of the following is a valid two-letter element symbol from the periodic table?

What is the name of the element with 82 protons (atomic number $82$)?

Periodic Table: Element Symbols — Which element is a major component of chlorophyll at the center of its porphyrin ring?