Answer:
Both are highly reactive.
Explanation:
A has 1 valence electron D has 3
A is sodium D is aluminum
The atomic number is 9 Ions have the same atomic number since atomic number signifies number of protons not electrons
Answer:
The definition of physical science is the sciences concerned with the study of inanimate natural objects, including physics, chemistry, astronomy, and related subjects.
Explanation:
Answer:
mammal
Explanation:
mammals are the types of animals who dont have eggs
