Every element has a unique line spectra, which are colors of light that an atom remits as its move to a higher energy level and fall back down.

Seawater contains approximately 3.5%nacl by mass and has a density of 1.02 g/ml. what volume of seawater contains 7.5 g of sodium?

Most materials are not magnetic because their magnetism has worn off. their magnetic domains are arranged randomly. they lack magnetic fields. earth’s heat has destroyed their magnetism.

The missing component to the table to the right or indicated with orange letters complete the table by filling in the corresponding numbers or symbols