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