Period 4 element be dangerous in large enough quantities due to its radioactivity. Nickel (Ni) is an element in period 4, between cobalt and copper. Nickel is rare in the Earth's crust, mainly due to the fact that it reacts with oxygen in the air, with most of the nickel on Earth coming from nickel iron meteorites. However, nickel is incredibly common in the Earth's core; along with iron it is one of the two main components. Nickel is an important component of stainless steel, and in many superalloys. Copper (Cu) is an element in period 4, between nickel and zinc. Copper is
Cyprus, London nearest Docklands Light Railway station is Cyprus. The station is directly outside the University campus. Cyprus, London Cyprus is an area in the Docklands area of the London Borough of Newham. It is located west of Beckton and north of the eastern end of the Royal Albert Dock. It is named after the Cyprus Estate, a housing estate built for workers at the Royal Albert Dock, which opened in 1881. The estate was named to commemorate the United Kingdom's acquisition of the island of Cyprus in 1878. It was built on one of the few pieces of land not owned