How many Protons/electrons/neutrons does lithium have?

When iron forms an ion with a plus three charge, what is the formula of a compound with iron (fe3+) and sulfur (s) ?

Which of these is a mixture of a solid that is soluble in water and a solid that is insoluble in water? a) iron and steel b) salt and sugar c) iron and gravel d) gravel and sugar

Matthias wants to dissolve a solid sample of calcium chloride (cacl2), which is an ionic compound. Which solvent will dissolve the sample of calcium chloride? Solid copper water, a polar solvent hexane, a nonpolar solvent liquid mercury

Hydrogen has three isotopes with mass numbers of 1, 2, and 3 andhas an average atomic mass of 1.00794 amu.

This is not a homework question Does anyone know where to buy temporary henna tattoo? It can't be online because I need it right away. Also, it needs to be a reasonable price.

Which of the following is an example of an endothermic process? condensation evaporation burning freezing

Which of the following is the correct formula for copper (1) sulfate trihydrate? o Cu 250 4.3H 20 o CuSO 4 - 3H 20 o Cu 250 4 (H 20) 3 CusO 4 (H 2013

Discuss the advantages and disadvantages of using hydropower for large-scale energy production.

Is the following is a correct statement of Charless Law? The volume of a gas varies directly with the absolute temperature under the conditions of constant pressure.

Why do you need blood?