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