24) What is the formula for aluminum oxide a) AIO b) Al_(3)O_(2) c) Al_(2)O_(3) d) Al_(3)O_(3) 25) What is the name for NaF a) Sodium monofluoride b) Sodium fluoride c) Sodium (1) fluoride d) Sodium fluoric acid 26) What is the formula for Platinum (IV) sulfide a) Pt_(2)S_(4) b) Pt_(4)S_(2) c) PtS_(2) d) PtS 27) What is the name for H_(2)Se a) Selenic acid b) dihyydrogen selenic acid c) Hydrosolenic act d) Selenous acid 28) What is the formula for hydrobromic acid a) HBrO_(3) b) HBr c) H_(2)Br d) H_(3)B 29) What is the formula for tetraphosphorus dioxide a) P_(4)O_(2) b) P_(2)O c) PO_(4) d) P_(2)O_(4) 30) What is the name for Br_(6)O_(3) a) Tribromine hexaoxide b) Bromine (VI) oxide c) Dibromine monooxide d) Hexabromine trioxide 31) What is the formula for carbonic acid a) H_(4)C b) H_(2)CO_(3) c) HCO_(3) d) H_(3)CO

24) The correct answer is c) $Al_{2}O_{3}$. The formula for aluminum oxide is $Al_{2}O_{3}$, which indicates that there are two aluminum atoms and three oxygen atoms in each molecule of aluminum oxide.<br /><br />25) The correct answer is b) Sodium fluoride. NaF is the chemical formula for sodium fluoride, which is a compound formed by the combination of sodium (Na) and fluorine (F).<br /><br />26) The correct answer is c) $PtS_{2}$. The formula for platinum (IV) sulfide is $PtS_{2}$, which indicates that there is one platinum atom and two sulfur atoms in each molecule of platinum (IV) sulfide.<br /><br />27) The correct answer is b) dihydrogen selenic acid. $H_{2}Se$ is the chemical formula for dihydrogen selenic acid, which is a compound formed by the combination of hydrogen (H) and selenium (Se).<br /><br />28) The correct answer is b) $HBr$. The formula for hydrobromic acid is $HBr$, which indicates that there is one hydrogen atom and one bromine atom in each molecule of hydrobromic acid.<br /><br />29) The correct answer is a) $P_{4}O_{2}$. The formula for tetraphosphorus dioxide is $P_{4}O_{2}$, which indicates that there are four phosphorus atoms and two oxygen atoms in each molecule of tetraphosphorus dioxide.<br /><br />30) The correct answer is d) Hexabromine trioxide. $Br_{6}O_{3}$ is the chemical formula for hexabromine trioxide, which is a compound formed by the combination of bromine (Br) and oxygen (O).<br /><br />31) The correct answer is b) $H_{2}CO_{3}$. The formula for carbonic acid is $H_{2}CO_{3}$, which indicates that there are two hydrogen atoms, one carbon atom, and three oxygen atoms in each molecule of carbonic acid.