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