A chemist is studying an unknown substance. He can break it into its elemental components only by using chemical means
Based on this observation, how should the unknown substance be classified?
A impure substance
B Solution
C mixture
D pure substance

After watching the video "zinc strip in copper nitrate solution", and reading the instructions, click on the link labeled "start" just below the drawing of the pencil tip. follow the direction to complete the 3x3 grid. answer the below questions for the portion of the activity in which sn(s) is placed in agno3(aq)

In which block of the periodic table is uranium (u) found? s blockd blockp blockf block

Name atleast 3 type of energy associated with the microwave