Hydrogen
Hydrogen is the first element on the periodic table and the most abundant element in the universe. It is also the lightest element and exists in the form of diatomic molecules (H2). Here's a study guide to understand the key aspects of hydrogen:
Atomic Structure
- Atomic number: 1
- Symbol: H
- Electronic configuration: 1s1
Physical Properties
- Phase at room temperature: Gaseous
- Color: Colorless
- Odor: Odorless
- Density: 0.08988 g/L
Chemical Properties
- Reactivity: Highly reactive
- Combustibility: Burns with a pale blue flame
- Forms compounds with: Oxygen, carbon, and halogens
Uses
Hydrogen has various industrial applications:
- Used in the production of ammonia for fertilizers
- Used in the hydrogenation of various compounds in the food industry
- Used as a rocket fuel
Understanding the properties and uses of hydrogen is important in various fields of science and industry.
[Hydrogen] Related Worksheets and Study Guides:
.◂Chemistry Worksheets and Study Guides High School. Mixtures and Compounds
Worksheet/Answer key
Mixtures and Compounds 
Worksheet/Answer key
Mixtures and Compounds Worksheet/Answer key
Mixtures and Compounds
Worksheet/Answer keyWorksheet/Answer keyThe resources above cover the following skills:
Chemistry II
Properties of Matter
Develop and use models to explain the differences between chemical compounds using patterns as a method for identification.
Use mathematical representations to quantify matter through the analysis of patterns in chemical compounds.