Apaper clip can stay on the surface of a sample of water because of water's strong surface tension. what is the cause of this surface tension? (hint: review question 6)
question 6: why are water molecules attracted to each other? it is neutral. because of the way oxygen and hydrogen are bonded together, water has an area of positive charge and an area of negatative charge. this makes water a polar molecule. because of water's polarity, water molecules are attracted to each other.

How does chemistry affect our world? a. chemicals makes our world more polluted. b. chemicals keeps us healthy. c. chemicals can or hurt our world. d. chemicals make our world safe to live in.

What kind of ion is contained in salts that produce an acidic solution? a positive ion that attracts a proton from water a positive ion that releases a proton to water a negative ion that attracts a proton from water a negative ion that releases a proton to water

Maria wants to determine which type of disinfectant kills the most bacteria. which of the following is the best way for maria to determine this? a. ask ten different companies that make disinfectants which type is best. b. put the same amount and species of bacteria on ten identical plates, and add ten different kinds of disinfectant to each plate. c. interview ten different people to determine which type of disinfectant they prefer. d. put the same amount and species of bacteria on ten identical plates, and add a different disinfectant to each plate.