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