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Technetium

Key Stage 2

Meaning

Technetium is a metal.

Key Stage 3

Meaning

Technetium is a transition metal element, on the Periodic Table, with an atomic number of 43.

About Technetium

Molecular Structure

Technetium has the chemical symbol Tc.
Technetium atoms join together in large numbers to form a giant metal molecule.

Atomic Structure

Technetium as 43 protons and 55 neutrons in its nucleus giving it an Atomic Number of 43 and an atomic mass of 98.
Technetium is in Period 5 of the Periodic Table because it has 5 electron shells.

Properties

Technetium is a metal element so it is a good thermal conductor and a good electrical conductor.
Technetium is a shiny solid at room temperature.
Technetium is malleable.
Technetium is sonorous.
Technetium is ductile.

Key Stage 4

Meaning

Technetium is a transition metal element, on the Periodic Table, with 43 protons in the nucleus.

About Technetium

Molecular Structure

Technetium has the chemical formula Tc.
Technetium atoms join together in a giant metallic structure.

Atomic Structure

The most stable isotope of Technetium has 55 neutrons in its nucleus giving it an atomic mass of 98.
Technetium is in Period 5 of the Periodic Table because it has 5 electron shells.
Technetium loses electrons to form positive metal ions.

Properties

Technetium forms ionic bonds with non-metals.
Technetium is a metal element so it is a good thermal conductor and a good electrical conductor.
Technetium is a shiny solid at standard temperature and pressure and has a high melting point.
Technetium is malleable.
Technetium is sonorous.
Technetium is ductile.