Answer:
two electrons
Explanation:
Calcium atoms will lose two electrons in order to achieve the noble gas configuration of argon.
1. Option A. Temperature and Salinity
2. Option D. (I think)
3. Option D.
Hope your test goes well!
Answer:
Explanation:
Red Blood Cell- Carry Oxygen - Large Surface area no nucleus
Sperm Cell- Fertilize the Egg- tail, lots of mitochondria
Palisade Cell- Photosynthesis- Lots of chloroplast and transparent
The columns of the periodic table, also referred to as "groups" contain elements with similar reactive properties, due to these elements having a similar configuration of electrons in their outer shell.