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