The element with the chemical symbol Pb is:

What is the term for the process by which cells break down molecules to release energy in the absence of oxygen?

Which molecule acts as a carrier of electrons during cellular respiration and photosynthesis?

What is the balanced chemical equation for the reaction between hydrochloric acid (HCl) and sodium sulfite (Na₂SO₃)?

Which of the following is an example of a strong base used in household products?

Which of the following is an alkali metal?

What is the primary focus of chemical thermodynamics?

What is the term for a bond formed by the attraction between two atoms with identical electronegativities?

The compound Fe₂O₃ is commonly known as:

The balanced chemical equation for the reaction between aluminum (Al) and hydrochloric acid (HCl) is: