A) 51 B) 50 C) 23 D) 60
A) 17 B) 3 C) 1 D) 7
A) 103 B) 9 C) 5 D) 45
A) 3 B) 33 C) 15 D) 4
A) Noble Gases B) Halogens C) Alkaline Metals D) Alkaline Earth Metals
A) 14 B) 14.007 C) 2 D) 7
A) 56 B) 2 C) 6 D) 137
A) 1 B) 2 C) 6 D) 7
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) 96 B) 5 C) 6 D) 42
A) 2 B) 7 C) 3 D) 4
A) Rutherford B) Bohr C) Thomson D) Dalton
A) Rutherford B) Thomson C) Dalton D) Bohr
A) Rutherford B) Bohr C) Dalton D) Thomson
A) Thomson B) Rutherford C) Bohr D) Dalton
A) Dalton, Thomson, Bohr, Rutherford B) Dalton, Thomson, Rutherford, Bohr C) Dalton, Rutherford, Thomson, Bohr D) Bohr, Rutherford, Dalton, Thomson
A) proton = negative, electron = positive, neutron = no charge B) proton = positive, neutron = negative, electron = no charge C) proton = positive, electron = negative, neutron = uncharged D) proton = positive, electron = neutral, neutron = negative
A) chemical change B) chemical property C) physical change D) physical property
A) neutrons and electrons B) protons and electrons C) protons and neutrons D) protons and orbits
A) Argon and Krypton B) Phosphorus and Silicon C) Mercury and Thallium D) Carbon and Boron
A) Rutherford's Model B) Electron Cloud C) Dalton's Model D) Bohr's Model E) Thomson'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) group B) nucleus C) region D) period
A) Chlorine B) Beryllium C) Magnesium D) Lithium
A) Period Number B) Number of Neutrons C) Group Number D) State of Matter
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 same as the number of electrons D) the mass number minus the atomic number
A) Period Number B) Number of Neutrons C) Group Number D) State of Matter
A) Nitrogen B) Manganese 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. |