A) 51 B) 23 C) 60 D) 50
A) 1 B) 17 C) 7 D) 3
A) 45 B) 5 C) 103 D) 9
A) 3 B) 4 C) 15 D) 33
A) Alkaline Metals B) Halogens C) Alkaline Earth Metals D) Noble Gases
A) 7 B) 14.007 C) 2 D) 14
A) 6 B) 137 C) 2 D) 56
A) 7 B) 2 C) 1 D) 6
A) Phosphorus is a non-metal gas. B) Mercury is a solid metal. C) Chlorine is a liquid non-metal. D) Tellurium is a solid metalloid.
A) 5 B) 96 C) 42 D) 6
A) 2 B) 3 C) 4 D) 7
A) Rutherford B) Thomson C) Dalton D) Bohr
A) Dalton B) Thomson C) Bohr D) Rutherford
A) Bohr B) Dalton C) Rutherford D) Thomson
A) Bohr B) Rutherford C) Thomson D) Dalton
A) Bohr, Rutherford, Dalton, Thomson B) Dalton, Rutherford, Thomson, Bohr C) Dalton, Thomson, Bohr, Rutherford D) Dalton, Thomson, Rutherford, 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) physical property B) chemical change C) chemical property D) physical change
A) protons and neutrons B) protons and orbits C) neutrons and electrons D) protons and electrons
A) Carbon and Boron B) Phosphorus and Silicon C) Argon and Krypton D) Mercury and Thallium
A) Thomson's Model B) Rutherford's Model C) Electron Cloud D) Dalton's Model E) Bohr's Model
A) the atom is a positively charged sphere with electrons embedded in it B) electrons orbit totally randomly around the nucleus C) atoms are tiny solid spheres D) the atom is mostly empty space
A) period B) nucleus C) region D) group
A) Lithium B) Magnesium C) Beryllium D) Chlorine
A) Group Number B) Period Number C) Number of Neutrons D) State of Matter
A) period number B) number of protons C) group number D) number of neutrons
A) greater than the mass number B) the mass number minus the atomic number C) the same as the number of energy levels D) the same as the number of electrons
A) State of Matter B) Period Number C) Number of Neutrons D) Group Number
A) Carbon B) Francium C) Manganese D) Nitrogen
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. |