Nitrogen has an atomic number of 7; therefore, it has electrons in its outermost electron shell
a. 1
b. 5
c. 10
d. 2
e. 18

The molecular formula for caffeine is cshion402. which of the following elements is not found in caffeine?

The balanced chemical equation for this lab is: 3cucl2(aq) + 2al(s) 3cu(s) + 2alcl3(aq) if 10.5 g copper chloride react with 12.4 g aluminum, what is the limiting reactant?

With the largest atoms and the smallest number of valence electrons and with the smallest atoms and the greatest number of valence electrons are the most reactive. a. nonmetals; metals b. nonmetals; transition elements c. transition elements; metals d. metals; nonmetals