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