Drag the following answer choices into the correct blank. You WILL NOT use all of the answer choices. Response area created the first widely accepted periodic table. He noticed that properties of elements usually repeated at regular intervals when the elements were
arranged in order of increasing Response area.

Response area created the modern periodic table. His work led to the realization that elements with similar properties occurred at regular intervals when the elements were arranged in order of increasing Response area across periods.

Agroup of students is studying convection current. they fill two identical balloons with the same amount of helium. one balloon is placed in a freezer and the other is in an area with warm air. after 10 minutes, the balloon are released from a height of 1 meter. which of the following to the students most likely observe? a) the warm balloon expands and rises. the cold balloon shrinks and sinks b) the balloon both rise. the cold balloon is larger than the warm balloon c) the cold balloon expands and rises. the warm balloon shrinks and sinks d) the balloon rise at the same rate. both balloons are the same size