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