Blog

Based on its location on the periodic table, barium (Ba), has what ion charge?

Provide the names of the ionic compounds.   Ionic Compound CaCl2 Na2O LiNO3 AgBr KOH BaSO4 Fe2S3 NaCH3CO2 ZnO CuCO3 MgSO3 CaC2O4 AuI3 K3N PbCl2 CoSO4 Na3PO4 AlP NH4Cl LiF

The Mg2+ cation has:

Calcium phosphate is the primary ingredient in calcium supplements.   The formula is Ca3(PO4)2.  The charge of the cation and anion are:

Given the following information, complete the blanks in the table.   Z =  A =  32 Charge 2 – Number of protons ? Number of neutrons ? Number of electrons ? _______ _______ _______ _______

Organisms that use light for energy are called ________.

Find the sum or difference. Write the answer in standard form.(8- 7i) – (-9- 7i) – (-6+ 4i)

Decide whether the relation defines a function.{(-4, 1), (-3, -6), (3, -2), (3, 3)}

For the given functions f and g , find the indicated composition.f(x) =5x + 6,g(x) =5x – 1(f∘g)(x)

Find the slope and the y-intercept of the line.7x + 9y =62