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