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