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