Coffin- Flashcard on Intro to Atoms and Molecules

Front

How many electrons does Aluminum (Al) have?

Back

13

Front

What is the atomic number of Oxygen (O)?

Back

8

Front

Define a Diatomic Element.

Back

A molecule made of only one type of atom such as two Hydrogen or two Nitrogen.

Front

What is a neutron?

Back

A particle with no charge.

Front

Give an example of a Homogeneous Mixture.

Back

A mixture such as salt dissolved evenly in water.

Front

What is an atom?

Back

The basic unit of a chemical element.

Front

What is a molecule?

Back

A group of atoms bonded together.

Front

What is the difference between an element and a compound?

Back

An element is a pure substance made of 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

It represents the number of protons in the nucleus of an atom and determines the element's identity.

Front

What is a proton?

Back

A positively charged particle found in the nucleus of an atom.