SME
Grade 10 Science · Problem type
Families of the periodic table
Use this for “Which family is potassium in, and what does it share with sodium?”
Sort
Which family is the element in?
Tap a card, then tap its group.
Assumptions
•
Elements in a group share their number of valence electrons, so they react alike.
•
The alkali metals are group 1 and the alkaline earth metals group 2; the halogens are group 17 and the noble gases group 18.
Topic check
See what you know: 5 questions on this topic
New questions each time. Pass to mark it complete.