(iv) the plastic bag will probably give off a toxic
gas when it is burned. why is this the case?

What’s the scientific notation for the number 6,840,000,000

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

#20 which type of bond is formed when bases pair in dna? ionic bond covalent bond coordinate bond hydrogen bond