Actinium (Ac)
Atomic Number: 89
Atomic Weight: 227
Protons: 89
Electrons: 89
Neutrons: 138 -----(227-89=138)
Element H is not found on the periodic table as it represents hydrogen, which is the first element with atomic number 1.
Hn is not an element on the periodic table.
Element 56 on the periodic table is Barium (Ba).
Radium (Ra) # 88th element in the periodic table.
The only element which has the symbol Au is gold.
The eighty ninth element in the periodic table is Actinium, with the symbol Ac and atomic number 89. It is a radioactive element that is part of the actinide series.
Actinium (Ac) Atomic Number: 89 Atomic Weight: 227 Protons: 89 Electrons: 89 Neutrons: 138 -----(227-89=138)
The element abbreviated with As on the periodic table is Arsenic
NO!!! Carbon is No. 6 in the Periodic Table. Hydrogen is No. 1 in the Periodic Table.
No, carbon is not the first element on the periodic table of elements. Hydrogen is the first element on the periodic table.
Copper is on the Periodic Table, anything on the periodic table is an element so copper wire is made from an element.
Element H is not found on the periodic table as it represents hydrogen, which is the first element with atomic number 1.
A group in Periodic Table is the column of element in periodic table
No, hydrogen is ?the lightest element in the periodic table.
Hn is not an element on the periodic table.
Sodium is the eleventh element on the periodic table.
The element potassium is represented by the abbreviation K in the periodic table.