A) 23 B) 60 C) 50 D) 51
A) 7 B) 3 C) 1 D) 17
A) 103 B) 5 C) 9 D) 45
A) 15 B) 33 C) 4 D) 3
A) Noble Gases B) Alkaline Metals C) Alkaline Earth Metals D) Halogens
A) 7 B) 2 C) 14.007 D) 14
A) 6 B) 2 C) 137 D) 56
A) 1 B) 7 C) 6 D) 2
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) 6 B) 5 C) 96 D) 42
A) 4 B) 7 C) 2 D) 3
A) Dalton B) Thomson C) Rutherford D) Bohr
A) Thomson B) Bohr C) Dalton D) Rutherford
A) Dalton B) Rutherford C) Thomson D) Bohr
A) Dalton B) Bohr C) Rutherford D) Thomson
A) Bohr, Rutherford, Dalton, Thomson B) Dalton, Thomson, Bohr, Rutherford C) Dalton, Rutherford, Thomson, Bohr D) Dalton, Thomson, Rutherford, 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 property B) physical property C) chemical change D) physical change
A) neutrons and electrons B) protons and neutrons C) protons and orbits D) protons and electrons
A) Carbon and Boron B) Argon and Krypton C) Phosphorus and Silicon D) Mercury and Thallium
A) Thomson's Model B) Bohr's Model C) Dalton's Model D) Rutherford's Model E) Electron Cloud
A) the atom is mostly empty space B) electrons orbit totally randomly around the nucleus C) atoms are tiny solid spheres D) the atom is a positively charged sphere with electrons embedded in it
A) period B) region C) nucleus D) group
A) Magnesium B) Chlorine C) Beryllium D) Lithium
A) Period Number B) State of Matter C) Group Number D) Number of Neutrons
A) number of protons B) group number C) period number D) number of neutrons
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) State of Matter C) Group Number D) Number of Neutrons
A) Francium B) Carbon C) Nitrogen D) Manganese
A) Yes, some Carbon atoms have 6 protons, some have 7 protons. B) No, every single Carbon atom has exactly 6 protons. An atom's atomic number gives it its identity. |