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