Quarter 1 Midterm 8.1.1, 8.1.2, 8.1.5

Front

What is the primary composition of an atom?

Back

An atom is mostly made up of empty space.

Front

Describe the structure of a water molecule.

Back

A water molecule consists of 2 hydrogen atoms bonded to 1 oxygen atom.

Front

What state of matter is characterized by having a definite volume but no definite shape?

Back

Liquid.

Front

What is the role of carbon in gunpowder?

Back

Carbon is a key component that contributes to the explosive properties of gunpowder.

Front

Which state of matter has both a definite shape and a definite volume?

Back

Solid.

Front

What are the three main states of matter?

Back

Solid, Liquid, Gas.

Front

What is the definition of a molecule?

Back

A molecule is a group of two or more atoms bonded together.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of only one type of atom, while a compound is made of two or more different types of atoms chemically bonded.

Front

What is the significance of the atomic number?

Back

The atomic number indicates the number of protons in an atom and determines the element's identity.

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.