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