Element search

The atom you are looking for has this energy level model

• Fluorine

• Neon

• Lithium

• Sodium

The atom you are looking for is the

only atom with 2 electrons in the

first energy level and no other

electrons in any other level

• Hydrogen

• Lithium

• Helium

• Beryllium

Metalloid

Period 5

Ionic charge of -2

• Tellurium

• Vanadium

• Iodine

• Boron

This atom has 2 electrons in the first energy level and 2 electrons on the second energy level with a neutral charge

• Boron

• Helium

• Lithium

• Beryllium

This element has 5 protons in its nucleus

• Boron

• Lithium

• Helium

• Beryllium

This element is in group 2

Period 4

a common ionic charge +2

• Niobium

• Calcium

• Beryllium

• Zirconium

This element has 2 fewer protons than aluminum (Al)

• Aluminum

• Phosphorus

• Sodium

• Gallium

This element has 2 electrons in the first energy level and 5 in the second energy level when neutral.

• Nitrogen

• Helium

• Boron

• Carbon

This element has an energy level model that looks like;

• Sulfur

• Nitrogen

• Silicon

• Phosphorus

This element is located directly above the element with this energy level model.

• Calcium

• Strontium

• Magnesium

• Sodium