In a sample of 400 lithium atoms, it is found that 30 atoms are lithium-6(6.0g/mol) and 370 atoms are lithium-7(7.0g/mol). calculate the average atomic mass of lithium

Heat is the total potential energy of a substance that can be transferred. true false

Which item is most likely part of the safety contract

What two factors can affect the properties of a hydrocarbon? a. the number of its carbon atoms and the number of single bonds b. the number of its carbon atoms and the arrangement of its atoms c. the arrangement of its atoms and the number of its double bonds