Can somebody help me with this final ?

The name for the compound with the formula cr2o3 would be written as a. chromium(i) oxide. c. chromium oxygen. b. chromium(ii) oxide. d. chromium(iii) oxide.

Read the excerpt below and answer the question. obierika was a man who thought about things. when the will of the goddess had been done, he sat down in his obi and mourned his friend’s calamity. why should a man suffer so grievously for an offense he had committed inadvertently? (p. 125) based on the context clues, the best definition for the word “calamity” in the excerpt above is disaster sadness luck indifference

What was significant about the election of 1828 a. it was first to include b. it was first under new voting reforms c. it reintroduced the two party system d. it was decided by members of congress