A) 23 B) 60 C) 51 D) 50
A) 3 B) 7 C) 1 D) 17
A) 45 B) 5 C) 9 D) 103
A) 3 B) 15 C) 33 D) 4
A) Halogens B) Alkaline Metals C) Alkaline Earth Metals D) Noble Gases
A) 2 B) 14 C) 7 D) 14.007
A) 137 B) 6 C) 2 D) 56
A) 1 B) 2 C) 6 D) 7
A) Tellurium is a solid metalloid. B) Phosphorus is a non-metal gas. C) Chlorine is a liquid non-metal. D) Mercury is a solid metal.
A) 42 B) 6 C) 96 D) 5
A) 2 B) 3 C) 7 D) 4
A) Dalton B) Rutherford C) Bohr D) Thomson
A) Bohr B) Thomson C) Dalton D) Rutherford
A) Thomson B) Bohr C) Rutherford D) Dalton
A) Rutherford B) Thomson C) Bohr D) Dalton
A) Dalton, Rutherford, Thomson, Bohr B) Bohr, Rutherford, Dalton, Thomson C) Dalton, Thomson, Rutherford, Bohr D) Dalton, Thomson, Bohr, Rutherford
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 property B) physical change C) chemical change D) physical property
A) neutrons and electrons B) protons and neutrons C) protons and electrons D) protons and orbits
A) Phosphorus and Silicon B) Argon and Krypton C) Mercury and Thallium D) Carbon and Boron
A) Rutherford's Model B) Dalton's Model C) Bohr's Model D) Thomson's Model E) Electron Cloud
A) the atom is a positively charged sphere with electrons embedded in it B) electrons orbit totally randomly around the nucleus C) atoms are tiny solid spheres D) the atom is mostly empty space
A) period B) region C) group D) nucleus
A) Chlorine B) Magnesium C) Lithium D) Beryllium
A) State of Matter B) Group Number C) Period 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 electrons B) the same as the number of energy levels C) greater than the mass number D) the mass number minus the atomic number
A) Number of Neutrons B) Group Number C) State of Matter D) Period Number
A) Nitrogen B) Manganese C) Carbon D) Francium
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. |