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