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