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