Semester 1 Review

Front

What is the formula for calculating density?

Back

Density = Mass / Volume

Front

What is the density of a block with a mass of 54g and a volume of 20 cm³?

Back

2.7 g/cm³

Front

What is a precipitate in a chemical reaction?

Back

A solid that forms and settles out of a liquid mixture.

Front

Which of the following does NOT form a precipitate: AgNO₃(aq) + 2KBr(aq)→, LiNO₃(aq) + NaC₂H₃O₂(aq)→, Ca(NO₃)₂(aq) + K₂CO₃(aq)→, Ba(NO₃)₂(aq) + Na₂SO₄(aq)→?

Back

LiNO₃(aq) + NaC₂H₃O₂(aq)→

Front

What happens to an atom when it loses an electron?

Back

It becomes positively charged.

Front

What is the main focus of Inorganic Chemistry?

Back

The study of inorganic compounds, typically those that do not contain carbon.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds transfer electrons, while covalent bonds share electrons.

Front

What are covalent compounds?

Back

Compounds formed by the sharing of electrons between atoms.

Front

What is the significance of a chemical equation?

Back

It represents a chemical reaction, showing the reactants and products.

Front

What is the role of a catalyst in a chemical reaction?

Back

A catalyst speeds up a reaction without being consumed.