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