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