1. The atoms of a certain element each contain 11 protons and 1 valence electron. Which statement correctly identifies this element and describes its chemical reactivity? *
a. The element is sodium (Na) and is highly reactive.
b. The element is fluorine (F)), and is not very reactive
c. The element is sodium (Na), and is not very reactive
d. The element is fluorine (F), and is highly reactive.