The vector is at a 72° angle and has a magnitude of 12. Describe this vector using vector notation (Use the x and y symbols.)

30 points will mark brainliest

Name the element in group 17, period 2. (periodic table)

How can one make a supersaturated solution? (apex)

Ageochemist examines a piece of metal that he found in the soil. he performs tests to identify the metal from its density, electrical conductivity, and melting point. which statement best describes his investigation? a. he is determining physical properties that are sufficient to identify the metal.b. he is determining chemical properties that are sufficient to identify the metal.c. he is determining physical properties that are insufficient to identify the metal.d. he is determining chemical properties that are insufficient to identify the metal.