Brian creates the diagram below to organize his notes on nuclear fission and fusion. Which label belongs in the region marked X?

produces neutrons
forms heavier atoms
joins two nuclei
forms lighter nuclei

Write the formula for the following chemicals. 7. e. trinitrogen tetraoxide a calcium phosphate f. magnesium acetate b. potassium sulfide g nickel(iii) cyanide c carbon dioxide h. silver sulfate d. cobalt(ii) chloride

Which electron configuration represents the electrons in an atom of sodium in the ground state at stp

Oil rich countries in the middle east cover about 4% of earths total land area but prossess about 48% of the worlds known oil reserves what is the main reason for high concentration of reserves in this part of the world