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