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