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