Which of the following are Ionic compounds? (Select all that apply)

Match the type of compound to the forces that hold it together when it is a solid.

In star the following reaction, the triple-alpha process, occurs in starts where helium is consumend in 2 steps. He24+He24→ Unkown 1{“version”:”1.1″,”math”:”He24+He24→ Unkown 1″} Unknown 1 +He24→ Unknown 2 +2γ{“version”:”1.1″,”math”:”Unknown 1 +He24→ Unknown 2 +2γ”} select the two missing elements in this reaction

Which of the following generates a view-object that represents a list of tuples of the contents of the dictionary called grade_dict?   

class_id_to_name ＝ { 11943: ‘COMP SCI 220’, 206071:  ‘COMP SCI 200’, 24285: ‘COMP SCI 300’, 151199: ‘COMP SCI 320’, 98330: ‘STATS 324’} By accessing the elements of this dictionary, how can you print the following?

What are the contents of the following variables after this code is run?  first = {5, 2, 7, 3, 5} second = {2, 8} first first | second  first & second first < second

Select all operations for which we can use square brackets

Obturating the canals is defined as ____________.

If the pulp is inflamed but can heal itself when the irritant is removed, it is ____________.

When using a cold test to check pulp vitality, ice is placed on the ____________.