Which of these is NOT a physical property of pure aluminum? Shiny
Density = 2.7 g/cm
Reacts with air
Easy to pound flat

May someone me with these science questions

What natural processes produce large quantities of co2

What rule is used to determine how many covalent bonds an element can form? a. the number of covalent bonds is equal to six c the number of covalent bonds is equal to five minus the group number plus the group number b. the number of covalent bonds is equal to eight d. none of the above minus the group number select the best answer from the choices provided