What is missing in the nuclear reaction shown below? 10 is over 5B + 4 is over 2He → + 1 is over 0n

13 is over 7B

13 is over 5N

13 is over 7N

14 is over 7N

a neutron

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.