What type of bond does lead and iron form?

A. covalent

B. ionic

C. metallic

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.

What are the first three quantum numbers for the electrons located in subshell 2s?

An atom of which element reacts with an atom of hydrogen to form a bond with the greatest degree of polarity ?