Determine whether the following reaction is a redox reaction. If it is, identify the element that is oxidized, the element that is reduced, the oxidizing agent, and the reducing agent. Zn(s) + 2HCl(aq) → ZnCl2(s) + H2(g)

Predict whether the following compounds are soluble or insoluble in water. a) PbSO4  – b) Fe(OH)3 – c) (NH4)2S –

Based on the octet rule, determine the number of covalent bonds an atom of the following elements is likely to make in a molecule. a) C b) N c) O d) F

What are the bond angles around a central atom with sp3 hybridized orbitals?

Which of the following are the correct total equation, ionic equation, and net ionic equation of the reaction shown below (Check all that apply). Co(NO3)2(aq) + Na3PO4(aq) →

Given the following Lewis structures for thiocyanate ion: 1. What is the formal charge of each atom in structure A? a) Formal charge of N b) Formal charge of C c) Formal charge of S 2. What is the formal charge of each atom in structure B? a) Formal charge of C b) Formal charge of N c) Formal charge of S 3. What is the formal charge of each atom in structure C? a) Formal charge of C b) Formal charge of S c) Formal charge of N 4. Based on the formal charges determine which Lewis structure (A. B, or C) is more favorable?

Select the compound in which phosphorus has an oxidation state of +3.

For COCl2, the electron geometry is _____________ and the molecular geometry is __________.

Select the compound in which phosphorus has an oxidation state of 0.

According to the WSJ article, the US personal saving rate increased dramatically in April of 2020. What was one of the factors responsible for such an increase?