A) 60 B) 23 C) 50 D) 51
A) 1 B) 17 C) 7 D) 3
A) 103 B) 5 C) 9 D) 45
A) 33 B) 4 C) 3 D) 15
A) Transition Metals B) Noble Gases C) Alkaline Earth Metals D) Alkali Metals E) Halogens
A) 14.007 B) 7 C) 2 D) 14
A) 2 B) 6 C) 56 D) 137
A) 2 B) 6 C) 7 D) 1
A) Tellurium is a solid metalloid. B) Mercury is a solid metal. C) Chlorine is a liquid non-metal. D) Phosphorus is a non-metal gas.
A) 42 B) 6 C) 5 D) 96
A) 7 B) 3 C) 4 D) 2
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) Phosphorus and Silicon B) Carbon and Boron C) Mercury and Thallium D) Argon and Krypton
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) nucleus B) group C) region D) period
A) Chlorine B) Beryllium C) Magnesium D) Lithium
A) group number B) period number C) number of neutrons D) number of protons
A) the mass number minus the atomic number B) greater than the mass number C) the same as the number of energy levels D) the same as the number of electrons
A) State of Matter B) Period Number C) Number of Neutrons D) Group Number
A) Manganese B) Nitrogen C) Francium 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 protons B) by adding electrons C) By adding or losing electrons D) by losing protons
A) by adding electrons B) by adding protons C) by losing protons D) by losing electrons
A) by adding protons B) by losing electrons C) by losing protons D) by adding electrons
A) by adding electrons B) by adding neutrons C) by adding or losing neutrons D) by adding protons
A) same as the atomic number B) difference between the atomic and mass number C) mass number divided by 2 D) same as the 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) Mg and F B) B and O C) Na and Li D) Hg and C
A) Li and Po B) Ba and Ra C) Mg and Cl D) F and At
A) The transition metals B) The alkali earth metals C) The halogens D) The alkali metals E) The noble gases
A) The noble gases B) The alkali metals C) The transition metals D) The halogens
A) 1 B) 8 C) 17 D) 4 E) 18
A) how many protons there are B) how many electrons there are C) how reactive they are D) how many electron levels there are
A) how many valence electrons the atom has B) the number of protons C) the number of neutrons D) how many electrons the atom has
A) Silver B) Fluorine C) Iron D) Sodium E) Mercury
A) Al B) Au C) Li D) F E) H
A) I B) Al C) Cs D) Mg E) Li
A) the number of electrons B) the number of protons C) the number of neutrons
A) Newton B) Lewis C) Bohr D) Mendeleev E) Dalton |