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