Grade 8 science can anyone me answer these two science questions? a. a calcium ion has 20 neutrons, 20 protons, and 18 electrons. what is the ion's charge and identify if this is a negative ion or a positive ion? b. contrast sodium and chloride ions, including how they form. write the symbol for each ion.

The clouds are grey and ground is wet. a quantitative b qualitative

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

Which of the following is true about a carbonated soft drink? . the carbon dioxide is the solvent, and water is the solute.. the water is the solution, and carbon dioxide is the solvent.. the carbon dioxide is the solution, and the water is the solvent.. the water is the solvent, and the carbon dioxide is the solute.. .