Which is a property shared by most molecular compounds? When an atom loses an electron it becomes a?
The chemical name for the compound with the formula na2S is what?
What is a double bond?
What is the following term that means metals can be rolled into thin sheets?
What group contains the most reactive element?
Which of the following is a property of ionic compounds?
Which of the following is a chemical property of a substance?

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

7. what temperature is need to just dissolve 50 g of nh4cl in 75 g of water? '

What is another way to determine mass times acceleration?