Group 2 is alkali earth metals
group 17 is halogens
group 18 is noble gasses
group 1 is alkali metals
Answer:
hr
Explanation:
because it's short for hour
I am not sure about this answer 194
Answer:
Zn+2
Explanation:
I'm sorry if its wrong but have a good one!
Answer:
d) gases that absorb infrared radiation
water vapor, carbon dioxide, methane, and other trace gasses in the Earth's atmosphere absorb the longer wavelengths of outgoing infrared radiation from the Earth's surface.
