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