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