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