Name one element of the periodic table?
"To be able to give the definition of an element.
I can successfully write an elements symbol.
I can identify an elements proton number"
The Periodic Table is a chart of all the known elements in the universe. Each element is distinguished by its atomic number, which is the number of protons in its nucleus. Elements are organized into groups according to their chemical properties.
The Elements of the Periodic Table
Atomic Number: The number of protons in the nucleus of an atom. Element symbol: Unique to each element.
Symbols of periodic table:
If it is only one letter, that letter is a capital. (e.g. Hydrogen = H) If there are two letters, the first is a capital followed by a small letter. (e.g. Helium = He) Some element symbols (e.g. Fe (iron) and Pb (lead)) are taken from the element’s Latin spelling, not the English one.
How to write element symbols
Using your periodic table, fill in the table below
The heaviest element on the Periodic Table is Oganesson, with an atomic number of 118. The lightest element on the Periodic Table is Hydrogen, with an atomic number of 1. There are 118 known elements in total.
Work together in pairs: Q: What are the three key pieces of information that are used to identify an element on the periodic table?
Which element is the most abundant in the Earth's crust?
Which element is the most abundant in the Earth's atmosphere?
Which is the most reactive element?
Which element is the lightest?
Which is the least reactive element?
Draw or write down 2 things you've learned from today's lesson.