What is Atom? An atom consists of a fixed number of protons, electrons and neutrons, which makes each element unique. Protons and neutrons together make up thenucleus of an atomwhile the electrons orbit around it. In the periodic table, a chemical element is represented by a fixed format :...
The Periodic Table Lesson for Kids: Structure & Uses from Chapter 7 / Lesson 2 61K The periodic table contains information about elements, such as their symbol, atomic number, and atomic mass. Understand the structure and uses of the periodic tabl...
Periodic Table Families: The periodic table was created so that it would be easier to remember the properties of different elements. For this reason, the table is organized into families of like-elements that have similar chemical properties. For example, the first column on the tabl...
The Periodic Table Lesson for Kids: Structure & Uses 3:21 What is a Metal? - Lesson for Kids 3:21 Percy Lavon Julian Lesson for Kids: Facts & Biography 4:31 Ch 3. 5th Grade Science: Properties of Simple... Ch 4. 5th Grade Science: Properties of... Ch 5. 5th Grade Science...
Ch 8.Group 4 of the Periodic Table for Elementary School Titanium Lesson for Kids: Facts & Properties What is the Element Zirconium Used For? - Lesson for Kids Next Lesson Zirconium Lesson for Kids: Discovery, Name & Properties Ch 9.Group 5 of the Periodic Table for... ...
Radioactivity is the radiation that is released from an unstable atomic nucleus. Atoms of uranium and plutonium are naturally radioactive atoms.
Four speeds, from slow to fast, of an Andis rotary tool for nail grinding People in the dog community are worried that sounds we can’t hear might be bothering our dogs. But we can’t check for ultrasound with consumer equipment, even smartphones, because consumer microphones don’t detect...
Recommended Video for you: Play Which Is The Most Reactive Element In The Periodic Table? What Is A Replacement Reaction? Before diving into the subtypes, let’s explore the basics of this chemistry principle. Have you ever seen a rusted iron rod? This type of object is a prime example of...
For many parents, giving kids access to the digital world can feel a little like you’re dropping your kids off at an overcrowded zoo, where there are no cages, no rules, and, at any moment, the lions can get hungry. This is why Amazon has worked hard to create a digital environment...
There is a zig-zag line toward the right side of the periodic table that acts as a sort of border between metals and nonmetals. Elements on either side of this line exhibit some properties of metals and some of the nonmetals. These elements are themetalloids, also called semimetals. Metall...