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