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