Hydrogen.
Element 7 on the periodic table is Nitrogen (N). It is a non-metal element with an atomic number of 7 and is found in the atmosphere as a diatomic gas.
Krypton is the 36 th element in the periodic table. It is a noble gas belonging to 4th period of the periodic table.
Period 5 of the periodic table includes the halogen element bromine (Br). It is a highly reactive nonmetal and exists as a diatomic molecule in its natural state.
Chlorine is the element in the halogen family located in period 3 of the periodic table.
The element in period 4, group 7 of the periodic table is Manganese (Mn).
Hydrogen is the first element in the periodic table. It stays as diatomic molecules.
The atomic number of the Periodic Table element Period is 92.
Element 7 on the periodic table is Nitrogen (N). It is a non-metal element with an atomic number of 7 and is found in the atmosphere as a diatomic gas.
Caesium is a Period 6 element.
An elements period is its row in the Periodic Table.
An elements period is its row in the Periodic Table.
Krypton is the 36 th element in the periodic table. It is a noble gas belonging to 4th period of the periodic table.
Argon is in the third period of the modern periodic table.
Period 5 of the periodic table includes the halogen element bromine (Br). It is a highly reactive nonmetal and exists as a diatomic molecule in its natural state.
The period of an element in the periodic table refers to its horizontal row. Each period represents the number of electron shells an element's atoms have.
Chlorine is the element in the halogen family located in period 3 of the periodic table.
The element's location on the periodic table indicates its period, which corresponds to the number of electron shells in its atomic structure.