Answer : Option A) Atomic number of Arsenic is 33.
Explanation : Arsenic contains same number of protons in its atomic nucleus. In arsenic there are 33 protons found in the atomic nucleus. Hence, the atomic number will be 33. It has 5 valence electrons in its outermost shell, which is also called as valence shell. So, its valency becomes 5.
Answer:
it is b
Explanation:
A drainage basin is any area of land where precipitation collects and drains off into a common outlet, such as into a river, bay, or other body of water
I will need a picture if the periodic table
Answer:
0.5 mole
Explanation:
C=12u
O=16u
1 mole carbon dioxide=44 grams
so 22grams = 0.5 mole
Answer: I think the answer is A
Explanation:
I’m sorry if I’m wrong.
