TEST - Chemistry 1st Semester

Front

What is a beaker used for?

Back

A beaker is used to measure (but not precisely), heat, and mix large amounts of liquids.

Front

What is the relationship between frequency and energy?

Back

The higher the frequency, the higher the energy.

Front

What type of bond forms between cations and anions?

Back

Ionic bond.

Front

What equipment is used to heat objects with an open flame?

Back

Bunsen burner.

Front

What is the definition of frequency in waves?

Back

Frequency is the number of waves that pass a point in a given period of time, usually measured in Hertz (Hz).

Front

What is the purpose of a graduated cylinder?

Back

A graduated cylinder is used to measure the volume of liquids accurately.

Front

What is the difference between ionic and covalent bonds?

Back

Ionic bonds form between cations and anions, while covalent bonds involve the sharing of electron pairs between atoms.

Front

What is a hot plate used for in a laboratory?

Back

A hot plate is used to heat substances without an open flame.

Front

What is the definition of a chemical reaction?

Back

A chemical reaction is a process that leads to the transformation of one set of chemical substances to another.

Front

What is the significance of the periodic table in chemistry?

Back

The periodic table organizes elements based on their atomic number, electron configuration, and recurring chemical properties.