A) 60 B) 50 C) 23 D) 51
A) 1 B) 17 C) 3 D) 7
A) 103 B) 45 C) 5 D) 9
A) 15 B) 4 C) 3 D) 33
A) Transition Metals B) Alkali Metals C) Alkaline Earth Metals D) Halogens E) Noble Gases
A) 7 B) 14 C) 14.007 D) 2
A) 6 B) 137 C) 2 D) 56
A) 7 B) 2 C) 1 D) 6
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) 5 B) 42 C) 96 D) 6
A) 2 B) 4 C) 7 D) 3
A) proton/-, electron/+, neutron/no charge B) proton/+, electron/-, neutron/uncharged C) proton/+, electron/neutral, neutron/- D) proton/+, neutron/-, electron/no charge
A) neutrons and electrons B) protons and orbits C) protons and neutrons D) protons and electrons
A) Argon and Krypton B) Mercury and Thallium C) Phosphorus and Silicon D) Carbon and Boron
A) atoms are tiny solid spheres B) the atom is a positively charged sphere with electrons embedded in it C) the atom is mostly empty space D) electrons orbit totally randomly around the nucleus
A) group B) region C) nucleus D) period
A) Magnesium B) Beryllium C) Chlorine D) Lithium
A) number of protons B) group number C) number of neutrons D) period number
A) greater than the mass number B) the same as the number of energy levels C) the mass number minus the atomic number D) the same as the number of electrons
A) Group Number B) State of Matter C) Number of Neutrons D) Period Number
A) Carbon B) Manganese C) Francium D) Nitrogen
A) Yes, some Carbon atoms have 6 protons, some have 7 protons. B) No, every single Carbon atom has exactly 6 protons. An atom's atomic number gives it its identity.
A) by adding electrons B) by adding protons C) By adding or losing electrons D) by losing protons
A) by losing protons B) by adding electrons C) by adding protons D) by losing electrons
A) by losing electrons B) by losing protons C) by adding electrons D) by adding protons
A) by adding electrons B) by adding protons C) by adding neutrons D) by adding or losing neutrons
A) same as the mass number B) mass number divided by 2 C) same as the atomic number D) difference between the atomic and mass number
A) the same as the number of neutrons B) the same as the atomic number C) the same as the mass number D) the difference between the mass and atomic number
A) Na and Li B) Hg and C C) B and O D) Mg and F
A) Ba and Ra B) F and At C) Mg and Cl D) Li and Po
A) The noble gases B) The alkali metals C) The halogens D) The transition metals E) The alkali earth metals
A) The halogens B) The noble gases C) The transition metals D) The alkali metals
A) 17 B) 18 C) 4 D) 8 E) 1
A) how many protons there are B) how many electron levels there are C) how many electrons there are D) how reactive they are
A) the number of neutrons B) how many electrons the atom has C) how many valence electrons the atom has D) the number of protons
A) Silver B) Mercury C) Sodium D) Iron E) Fluorine
A) F B) H C) Au D) Li E) Al
A) Al B) Cs C) Li D) Mg E) I
A) the number of protons B) the number of electrons C) the number of neutrons
A) Dalton B) Newton C) Lewis D) Bohr E) Mendeleev |