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