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