Chemistry Semester 1 Final Review 2024 - Units 1/2

Front

Convert 0.45 hL to L

Back

45 Liters

Front

Convert 5.6 kg to grams

Back

5600 grams

Front

Forms green carbonate when exposed to moist air. Is it a physical or chemical property?

Back

Chemical

Front

Name the three particles of the atom and their respective charges.

Back

Protons (positive), Neutrons (neutral), Electrons (negative)

Front

If you know ONLY the following information can you always determine what the element is? (Yes/No): -number of protons -number of neutrons -number of electrons in a neutral atom -number of electrons

Back

No

Front

What is the definition of a physical property?

Back

A characteristic of a substance that can be observed or measured without changing its identity.

Front

What is the definition of a chemical property?

Back

A characteristic of a substance that describes its ability to change into different substances.

Front

What is the formula to convert Celsius to Kelvin?

Back

K = °C + 273.15

Front

What is the law of conservation of mass?

Back

Mass is neither created nor destroyed in a chemical reaction.

Front

What is the atomic number of an element?

Back

The number of protons in the nucleus of an atom.