An electric current is passed through water and bubbles start forming. What is a logical conclusion for the bubbles? A) water is evaporating
B) The water had impurities
C) A physical changes occurred
D) Hydrogen and oxygen are being formed

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li

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.

Use the periodic table to complete this equation that represents nuclear fission processesun - ba c 3 n