Use your periodic table of elements. Take any element from the first column, except for hydrogen and lithium, and answer the following questions: What is the element's name and symbol?
Is it a metal, nonmetal, or metalloid?
Which family does it belong to?
How many protons, neutrons, and electrons does its neutral atom have?

Sodium, Na, a metal group 1 alkali metals, atomic number of 11, so 11 protons and 11 electrons and 12 neutrons.

Explanation:

a 20-cm-long, cylindrical graphite (pure carbon) rod is inserted into an oxidizing atmosphere at 1145 k and 1.013 x 105 pa pressure. the oxidizing process is limited by the diffu- sion of oxygen counterflow to the carbon monoxide that is formed on the cylindrical surface.