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