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