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