A) 60 B) 51 C) 23 D) 50
A) 1 B) 17 C) 7 D) 3
A) 103 B) 5 C) 45 D) 9
A) 4 B) 3 C) 15 D) 33
A) Noble Gases B) Alkaline Metals C) Halogens D) Alkaline Earth Metals
A) 2 B) 7 C) 14 D) 14.007
A) 137 B) 2 C) 56 D) 6
A) 1 B) 7 C) 2 D) 6
A) Tellurium is a solid metalloid. B) Chlorine is a liquid non-metal. C) Phosphorus is a non-metal gas. D) Mercury is a solid metal.
A) 96 B) 5 C) 6 D) 42
A) 3 B) 4 C) 7 D) 2
A) Dalton B) Bohr C) Thomson D) Rutherford
A) Bohr B) Dalton C) Thomson D) Rutherford
A) Dalton B) Thomson C) Rutherford D) Bohr
A) Rutherford B) Dalton C) Bohr D) Thomson
A) Dalton, Thomson, Rutherford, Bohr B) Dalton, Rutherford, Thomson, Bohr C) Dalton, Thomson, Bohr, Rutherford D) Bohr, Rutherford, Dalton, Thomson
A) proton = positive, neutron = negative, electron = no charge B) proton = negative, electron = positive, neutron = no charge C) proton = positive, electron = neutral, neutron = negative D) proton = positive, electron = negative, neutron = uncharged
A) physical change B) chemical property C) chemical change D) physical property
A) protons and neutrons B) neutrons and electrons C) protons and electrons D) protons and orbits
A) Carbon and Boron B) Argon and Krypton C) Phosphorus and Silicon D) Mercury and Thallium
A) Bohr's Model B) Dalton's Model C) Rutherford's Model D) Electron Cloud E) Thomson's Model
A) electrons orbit totally randomly around the nucleus B) atoms are tiny solid spheres C) the atom is a positively charged sphere with electrons embedded in it D) the atom is mostly empty space
A) nucleus B) region C) group D) period
A) Beryllium B) Lithium C) Magnesium D) Chlorine
A) Group Number B) Number of Neutrons C) Period Number D) State of Matter
A) group number B) number of protons C) period number D) number of neutrons
A) greater than the mass number B) the same as the number of electrons C) the same as the number of energy levels D) the mass number minus the atomic number
A) Period Number B) State of Matter C) Number of Neutrons D) Group Number
A) Nitrogen B) Francium C) Manganese D) Carbon
A) Yes, some Carbon atoms have 6 protons, some have 7 protons. B) No, every single Carbon atom has exactly 6 protons. An atom's atomic number gives it its identity. |