A) 51 B) 50 C) 60 D) 23
A) 1 B) 7 C) 3 D) 17
A) 9 B) 103 C) 5 D) 45
A) 33 B) 15 C) 3 D) 4
A) Alkaline Metals B) Alkaline Earth Metals C) Noble Gases D) Halogens
A) 2 B) 14 C) 14.007 D) 7
A) 2 B) 6 C) 56 D) 137
A) 7 B) 1 C) 2 D) 6
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) 96 B) 42 C) 6 D) 5
A) 4 B) 3 C) 7 D) 2
A) Thomson B) Bohr C) Dalton D) Rutherford
A) Rutherford B) Thomson C) Dalton D) Bohr
A) Thomson B) Bohr C) Rutherford D) Dalton
A) Bohr B) Thomson C) Rutherford D) Dalton
A) Dalton, Thomson, Bohr, Rutherford B) Dalton, Rutherford, Thomson, Bohr C) Bohr, Rutherford, Dalton, Thomson D) Dalton, Thomson, Rutherford, Bohr
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 change B) chemical change C) chemical property D) physical property
A) protons and orbits B) neutrons and electrons C) protons and electrons D) protons and neutrons
A) Argon and Krypton B) Mercury and Thallium C) Phosphorus and Silicon D) Carbon and Boron
A) Rutherford's Model B) Thomson's Model C) Electron Cloud D) Bohr's Model E) Dalton's Model
A) the atom is a positively charged sphere with electrons embedded in it B) atoms are tiny solid spheres C) the atom is mostly empty space D) electrons orbit totally randomly around the nucleus
A) region B) nucleus C) group D) period
A) Chlorine B) Magnesium C) Lithium D) Beryllium
A) Group Number B) State of Matter C) Number of Neutrons D) Period Number
A) number of protons B) period number C) group number D) number of neutrons
A) the same as the number of energy levels B) the mass number minus the atomic number C) greater than the mass number D) the same as the number of electrons
A) Group Number B) Number of Neutrons C) State of Matter D) Period Number
A) Francium B) Manganese C) Carbon 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. |