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