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