The diagram below shows that the periodic table is divided into different blocks. elements that have complete valence electron shells are mostly found in the

Much of the general structure and physical properties of the interior of the earth are inferred from: a)deep oil and gas bore holes b)geologic investigations c)analysis of seismic waves d) study of volcanoes

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.

Is 9 correct? and can someone me with 10? it’s due tomorrow, you