chlorine (greatest), bromine, sodium, potassium (least)
Sodium has the greatest ionization energy of the four elements listed from column 1 of a wide form periodic table. Among this group of metals that readily form cations, the largest always has the lowest ionization energy and the smallest has the most. This is generally ascribed to the fact that the valence shell electron is further from the nucleus in the largest element and nearest in the smallest element.
oxygen
The Earth's greatest bulk composition is located in the Earth's mantle. The mantle is comprised of many elements that include oxygen, iron, sulfur, silicon, nickel, sulfur, magnesium, calcium, and much more.
The Earth's greatest bulk composition is located in the Earth's mantle. The mantle is comprised of many elements that include oxygen, iron, sulfur, silicon, nickel, sulfur, magnesium, calcium, and much more.
Elements formed by carbon and hydrogen are called Hydrocarbons. Hydrocarbons have the greatest share in the total number of compounds. Their sudy is called Organic Chemistry. ----- carbon: C hydrogen: H
Sodium has the greatest ionization energy of the four elements listed from column 1 of a wide form periodic table. Among this group of metals that readily form cations, the largest always has the lowest ionization energy and the smallest has the most. This is generally ascribed to the fact that the valence shell electron is further from the nucleus in the largest element and nearest in the smallest element.
Carbon has the highest ionization energy
Cl
Neon
The ionization energy of fluorine is 1681 kJ/mol (the first) and the ionization energy of iodine is 1008,4 kJ/mol.
the nobles gases are the greatest ionization group
N
Potassium (K)
chlorine
Chlorine
Flourine
It's carbon. The trend for 1st ionization energy is that it increases as you move left-to-right across a period. As you move in that direction across period 2, ionization energy increases, and since carbon is the most to the right, it has the highest 1st I.E.