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