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