🧪 2. Atoms and Elements Flashcards
(4 cards)
1
Q
What is an atom?
A
The smallest part of an element.
Atoms consist of protons, neutrons, and electrons.
2
Q
What is an element?
A
A substance made of only one type of atom.
Elements are represented by symbols on the Periodic Table.
3
Q
Give two examples of elements.
A
- Hydrogen
- Oxygen
4
Q
What does the Periodic Table show?
A
All known elements
the elements are listed in their Atomic number
the elements are arranged in naturall Groups
* and
the elements are shown as their chemical symbols
It organizes elements in rows and columns to display trends and relationships.