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