Fall Semester Exam Review 2024

Front

What should you wear in the lab for safety?

Back

Long sleeves and loose clothing should be rolled up, closed toe shoes should be worn, long hair should be pulled back, all of the above.

Front

What is the last step in the scientific method?

Back

Share what you have learned with others.

Front

What is the molecular structure of a molecule with four bonds and no lone pairs?

Back

Tetrahedral.

Front

What type of element is mostly found in the periodic table?

Back

Metals.

Front

How many valence electrons do elements in Group 2 have?

Back

2.

Front

What is the scientific method?

Back

A systematic process for experimentation that is used to explore observations and answer questions.

Front

Define a molecule.

Back

A group of two or more atoms bonded together.

Front

What is a valence electron?

Back

An electron that is found in the outermost shell of an atom and can participate in forming chemical bonds.

Front

What is the difference between metals and nonmetals?

Back

Metals are typically good conductors of heat and electricity, while nonmetals are poor conductors.

Front

What is the purpose of drawing a conclusion in scientific research?

Back

To summarize the results of the experiment and determine if the hypothesis was supported.