Electric Circuits The fixed circular paths around the nucleus are called orbitals. orbits. nucleus. mesons. orbitals. orbits. nucleus. mesons. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Atoms with fewer than 4 valence electrons are insulator. semi-conductor. none of these. conductor. insulator. semi-conductor. none of these. conductor. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits Atoms have no electric charge because they have an equal number of charged and non charged particles. have neutrons in their nuclei. have an equal number of electrons and protons. have an equal number of neutrons and protons. have an equal number of charged and non charged particles. have neutrons in their nuclei. have an equal number of electrons and protons. have an equal number of neutrons and protons. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits What is the mass number of an element that has 19 protons, 19 electrons, and 20 neutrons? 19. 20. 38. 39. 19. 20. 38. 39. ANSWER DOWNLOAD EXAMIANS APP
Electric Circuits The electron is lighter than a proton by a factor of about 184. 18.4. 1840. 18400. 184. 18.4. 1840. 18400. ANSWER DOWNLOAD EXAMIANS APP
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