Word elements can be used to show chemical reactions. when hydrogen burns in oxygen. water is produced. the word equation is hydrogen + oxygen- water. write the word equation for iron and sulphur combining to form iron sulphide.

the number of protons in the nucleus of a given element. has slight luster and conducts electricity at high temperatures like metal.but like a nonmetal,boron is brittle and does not conduct electricity well at low temperatures. in graphite, carbon is a soft,brittle solid.it is reflective,ductile,or malleable.

geosphere and hydrosphere.

this is because the geosphere has to do with geological events, while the hydrosphere controls all water on earth.