True or false? dry ice subliming (turning from a solid straight into a gas) is an example of a chemical change.

Explain why scientists use shared characteristics to make cladograms.

If the density of water is 1.0 g/cm3, which of these materials would float in water, based on their densities? check all that apply. aluminum cork iron lead wax

Write the chemical formula for a compound that is made of an element from group 1 and an element from group 17