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