TIA Chemistry BOY Questions

Front

What is the number of nitrogen particles in 1.00 mole of methane (NH₃)?

Back

6.02 x 10²³ nitrogen particles.

Front

What is a balanced chemical equation for the formation of carbon dioxide?

Back

2O₂ + C₂ ↔ 2CO₂.

Front

Why is phosphoric acid (H₃PO₄) considered a weak electrolyte?

Back

It does not dissociate completely in solution.

Front

What is a key reason for the need for safety features in nuclear fission reactors?

Back

Nuclear fission is a chain reaction that can get out of control.

Front

How is polonium (Po) classified in the periodic table?

Back

As a metalloid.

Front

What is Avogadro's number?

Back

6.02 x 10²³, the number of particles in one mole of a substance.

Front

Define a balanced chemical equation.

Back

An equation where the number of atoms for each element is the same on both sides.

Front

What is the difference between a strong electrolyte and a weak electrolyte?

Back

Strong electrolytes dissociate completely in solution, while weak electrolytes do not.

Front

What is a chain reaction in nuclear fission?

Back

A process where the products of one reaction initiate further reactions.

Front

What are metalloids?

Back

Elements that have properties of both metals and non-metals.