37.9k views
10 votes
22. If an element has 1 valence electron, it must be a(n) *

O Alkali Metal
O Alkaline Earth Metal
O Transition Metal
O Noble Gas

2 Answers

9 votes

Answer:

IT SHOULD BE AN ALKALI METAL

Step-by-step explanation:

THIS IS BECAUSE ALKALI METALS HAVE 1 VALANCE ELECTRONS AND THEY ARE IN GROUP 1

ALKALINE EARTH METALS ARE IN GROUP 2 AND HAVE 2 VALANCE ELECTRONS

TRANSITION METALS ARE BETWEEN GROUP 3 TO 12

NOBLE GASES HAVE NO VALANCE ELECTRONS

User Bpfrd
by
4.1k points
3 votes
The answer is noble gas
User Karan K
by
4.4k points