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