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