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