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