Include a molecule that this element can create. Include the names of the other atoms that must combine with this element to make that molecule. {for the element sodium}

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

In what environment would mineral formation caused by high pressures and high temperatures most likely occur?

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table