electrical craft helper exam questions with correct answers 2026/2027

electrical craft helper exam questions with correct answers 2026/2027 a molecule of matter can be divided chemically into smaller particles called? atoms matter consisting of all the same kind of atoms is called an? element matter consisting of two or more different kinds of atoms is called a? compound the negative charge of a single electron is called a? unit electrical charge most of the mass of an atom is in the? nucleus when an atom gains an electron, it is called? negative ion copper is a good conductor, because the copper atom loosely holds it's? valence gold and silver are good conductor of electricity, because the outer orbits have? one electron when teo negatively charged rods are brought together, they? repel each other one ampere is equal to? 1 coulomb flowing per second what happens when two unlike materials are rubbed together and then separated? one will be positive and the other negative connecting two or more metallic objects with a wire or metal strap is called? bonding grounding minimizes the voltage difference between an object and?