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