9.9k views
5 votes
I need help on this asap

I need help on this asap-example-1

2 Answers

5 votes
6 is boron
7 is yttrium
User Shalmanese
by
5.3k points
3 votes
1.hydrogen
2.carbon
3.argon
4.titanium
5.cesium
User Gaara
by
5.4k points