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