Which of the following elements is found in the main group elements of the periodic table?
1. Fe
2. Md
3. Hg
4. Se
I believe it is Fe. WHat makes it a part of the main group?
2007-10-30 07:20:49 · 6 answers · asked by Anonymous in Science & Mathematics ➔ Chemistry
Main group elements include elements in groups 1 , 2 and 13-18 (also known as S and P block elements)
ref: http://en.wikipedia.org/wiki/Main_group_element
So the answer would be Se
Any element not a part of the transition metals or lanthanoids
2007-10-30 07:28:29 · answer #1 · answered by Dr Dave P 7 · 1⤊ 0⤋
The main group is the 1st 2 columns and the last 6 of the periodic table. Fe is a transition metal and not part of the main group. Se is a part of the main group.
2007-10-30 07:27:13 · answer #2 · answered by serf_tide 4 · 1⤊ 0⤋
4.Se
Main group elements include elements in groups 1 , 2 and 13-18 (also known as S and P block elements)
2007-10-30 07:35:22 · answer #3 · answered by sugar 3 · 0⤊ 0⤋
4. Se
The main groups are headed by IA, IIA, IIIA, IVA, VA, VI, VIIA, and VIII.
Fe and Hg are transition metals. Md is an actinide rare earth.
2007-10-30 07:29:01 · answer #4 · answered by steve_geo1 7 · 1⤊ 0⤋
its fe and fe is iron and that is in the metal bit of the table which is the main part.
2007-10-30 07:25:57 · answer #5 · answered by Anonymous · 0⤊ 2⤋
fe
2007-10-30 07:24:08 · answer #6 · answered by magiclady2007 6 · 0⤊ 1⤋