Any fine a sss girls come entertain me -.-

Achemist who studies water samples did a demonstration of how to test for lead in water. she added a clear solution of potassium iodide to a clear solution of lead nitrate. then a yellow swirling solid formed in the liquid. what is most likely true about the yellow solid?

Why protons do not repal in the nucleus

Sari is studying for different sample of materials. this table shows the mass and volume of the samples. which sample material(s) could be liquid