A) 51 B) 23 C) 50 D) 60
A) 3 B) 17 C) 1 D) 7
A) 45 B) 5 C) 103 D) 9
A) 3 B) 15 C) 4 D) 33
A) Alkaline Earth Metals B) Noble Gases C) Halogens D) Alkaline Metals
A) 14 B) 2 C) 14.007 D) 7
A) 137 B) 2 C) 56 D) 6
A) 2 B) 6 C) 7 D) 1
A) Mercury is a solid metal. B) Phosphorus is a non-metal gas. C) Tellurium is a solid metalloid. D) Chlorine is a liquid non-metal.
A) 42 B) 6 C) 5 D) 96
A) 4 B) 3 C) 7 D) 2
A) Thomson B) Dalton C) Rutherford D) Bohr
A) Bohr B) Thomson C) Rutherford D) Dalton
A) Thomson B) Rutherford C) Dalton D) Bohr
A) Thomson B) Rutherford C) Dalton D) Bohr
A) Dalton, Thomson, Rutherford, Bohr B) Dalton, Rutherford, Thomson, Bohr C) Dalton, Thomson, Bohr, Rutherford D) Bohr, Rutherford, Dalton, Thomson
A) proton = positive, electron = negative, neutron = uncharged B) proton = positive, electron = neutral, neutron = negative C) proton = positive, neutron = negative, electron = no charge D) proton = negative, electron = positive, neutron = no charge
A) physical property B) physical change C) chemical property D) chemical change
A) protons and electrons B) protons and orbits C) neutrons and electrons D) protons and neutrons
A) Argon and Krypton B) Phosphorus and Silicon C) Carbon and Boron D) Mercury and Thallium
A) Dalton's Model B) Bohr's Model C) Rutherford's Model D) Thomson's Model E) Electron Cloud
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) period D) nucleus
A) Magnesium B) Beryllium C) Lithium D) Chlorine
A) Group Number B) Period Number C) State of Matter D) Number of Neutrons
A) period number B) number of neutrons C) number of protons D) group number
A) the same as the number of energy levels B) the mass number minus the atomic number C) the same as the number of electrons D) greater than the mass number
A) State of Matter B) Number of Neutrons C) Group Number D) Period Number
A) Carbon B) Francium C) Nitrogen D) Manganese
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. |