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