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