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