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