Periodic Table and Elements Flashcards
1
Q
What are atoms and symbols?
A
Atoms are the basic units of matter. Symbols are short codes for elements (like H for Hydrogen).
2
Q
How do elements compare?
A
By counting protons, neutrons, and electrons.
3
Q
How is the Periodic Table organized?
A
By increasing atomic number and grouping similar elements together.
4
Q
What are element properties and trends?
A
Properties change in predictable ways across the table, like reactivity or size.
5
Q
How did the Periodic Table develop?
A
It evolved from early lists to the modern table with elements organized by properties.
