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