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