In a heating curve, when is the temperature constant? O A during a phase change
O B. during a pressure change
Ос.
during a change in kinetic energy
OD. during a change in molecular velocity

The alkali metals (group 1) consist of lithium (3), sodium (11), potassium (19), rubidium (37), cesium (55), and francium (87). they are soft, metallic solids with low densities and low melting points. based on the data shown in figure 1, how many valence electrons do alkali metals share?

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

What is the mass of each element in a 324.8 sample of co2