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