A) They have no electrons. B) They have empty outer energy levels. C) Their outer energy levels are completely filled with electrons. D) They have seven electrons in the outer energy levels. E) None of these.
A) lithium chloride B) None of these. C) lithium chlorate D) chlorine lithiate E) chlorine lithium
A) it will have a positive charge B) it will remain neutral because electrons do not affect the charge C) it’s weight will increase D) it will have a negative charge
A) Ionic, Magnesium chloride B) Covalent, Manganese chloride C) Covalent, Magnesium chloride D) Ionic, Magneside chlorine
A) Na7N11 B) NNa3 C) NaN3 D) Na3N
A) Sulfur B) Oxygen C) Lead D) Neon
A) Mg2O B) MgO2 C) Mg2O2 D) MgO
A) an atom that has an different number of protons and electrons. B) an atom with an different number of protons and neutrons C) None of these. D) an atom with more electrons than neutrons E) an atom with more neutrons than electrons
A) 1:2 B) 1:1 C) 2:1 D) 0:0
A) N3O B) N2O5 C) NO D) NOH
A) 160 B) 2 C) 79 D) 81
A) Iodine flourine B) Iodide flouride C) if D) Hydroiodide flourine E) Iodine heptaflouride
A) protons = 6 and valence electrons = 6 B) protons = 6 and valence elctrons = 4 C) protons = 6 and valence electrons = 12.011 D) protons = 12.011 and valence electrons = 6
A) Na(SO4)_2 B) NaSO8 C) Na2SO4 D) NaSO4
A) Benzene B) None of these. C) Argon D) Chrlorine E) Flourine
A) 6 B) 2 C) 8 D) None of these. E) 4
A) ionic B) covalent C) None of these. D) both ionic and covalent E) neither ionic nor covalent
A) alkaline earth metals B) halogens C) actinides D) transition elements E) bactinides
A) sodium dichloride B) sodium chloride C) None of these. D) chlorine sodiate E) sodium chlorate
A) None of these. B) radioactive C) metalloids D) metals E) isotopes
A) C N O B) Z Ia Y C) Mg Ca Sr D) Na K Ca E) K Ca Sc
A) 56 B) None of these. C) 26 D) 30 E) 52
A) Al2S2 B) Al2S3 C) AlS D) Al13S16 E) None of these.
A) covalent B) binary C) metallic D) triinary E) ionic
A) Mg(NO3)_2 B) Mg2(NO3)_2 C) Mg2NO3 D) None of these. E) MgNO3
A) None of these. B) Na + Cl2 -> NaCl2 C) Na + Cl2 -> Na2Cl2 D) Na + 2Cl2 -> NaCl E) 2Na + Cl2 -> NaCl
A) FeO + C -> 2Fe + CO2 B) FeO + C -> 3F3 + CO C) 2FeO + C -> 2Fe + CO2 D) FeO + C -> Fe + CO2 E) The equation is already balanced.
A) the metals, then the non-metals (except H and O) and then balance the H and then balance the O B) None of these. C) the O and H and then everything else D) the hydrogen and then the oxygen and then the metals E) the non-metals and then the metals
A) Oxygen B) Argon C) Magnesium D) Rubidium E) Carbon
A) 11p 12e 11n B) 12p 11e 11n C) None of these D) 12p 12e 12n E) 11p 11e 12n |