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