Basic Science: Chemical Formulas & Trends

What is the IUPAC name for H2O?

• dihydrogen oxide

• dihydrogen monoxide

• water vapor

• hydrogen oxide

Which element has the atomic number 6?

• Nitrogen

• Carbon

• Hydrogen

• Oxygen

What is the chemical formula for sodium chloride?

• NaCl

• NaClO

• NaCl2

• Na2Cl

Define the term 'periodic trend'.

• Periodic trend is a predictable pattern in elemental properties across the periodic table.

• Periodic trend refers to the arrangement of elements in groups and periods.

• Periodic trend is the random variation of elemental properties.

• Periodic trend describes the historical development of the periodic table.

What is the IUPAC name for NaOH?

• calcium hydroxide

• potassium hydroxide

• sodium sulfate

• sodium hydroxide

Which group in the periodic table contains noble gases?

• Group 14

• Group 1

• Group 3

• Group 18

What is the chemical formula for sulfuric acid?

• H2SO5

• H2S

• H2SO4

• H2SO3

What is the IUPAC name for CH4?

• Propane

• Ethane

• Methane

• Butane