Chemical engineers who specialize in negotiating for large purchases and instructing customers in use of the products are:
a. corporate managers
b. legal services
c. marketing personnel
d. product developers

The modern periodic table has groups.

Which of the following did jj thompson discover about atoms? a)an atom has an internal structure. b) atoms are tiny indivisible particles. c)electrons orbit the nucleus of an atom. d) the nucleus of an atom contains protons and neutrons.

Write a balanced equation showing the formation of copper (ii) nitrite from its elements