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