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