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