This element is believed to be created when two neutron stars collided and shot it into every corner of the universe.

What are scientists who study fossils called? ( a ) astronomers. ( b ) biologists. ( c ) geologists. ( d ) paleontologists.

In a reaction equation, where are the products located? a.) above the arrow b.) to the right of the arrow c.) to the left of the arrow d.) below the arrow

Which symbol can be used to indicate the pressure at which a chemical reaction is carried out? 25°c 2 atm pa