students in chemistry lab have been given the assignment to identify an unknown compound using the flame…

students in chemistry lab have been given the assignment to identify an unknown compound using the flame - test procedures. the compound they are testing is a white crystal that emits a greenish light when placed into the flame. the unknown compound most likely contains\na barium.\nb lead.\nc sodium.\nd strontium.

students in chemistry lab have been given the assignment to identify an unknown compound using the flame - test procedures. the compound they are testing is a white crystal that emits a greenish light when placed into the flame. the unknown compound most likely contains\na barium.\nb lead.\nc sodium.\nd strontium.

Answer

Brief Explanations:

In flame - tests, different elements emit characteristic colors. Barium emits a greenish color in a flame test. Sodium emits orange, strontium emits deep red as shown in the table, and lead is not indicated in the table but does not emit greenish light.

Answer:

A. barium