Answer:
Q2->They all form acids when combined with hydrogen. They are all fairly toxic. They readily combine with metals to form salts.
Q3->Because their outermost orbit is complete. In Mendeleev's original periodic table there was no place reserved for noble gas. They were discovered in end of 19th century. So Mendeleev created zero group without disturbing original periodic table.
Explanation:
Answer:
Ticks, flies, mosquitoes, and fleas.
Explanation:
Energy comes from making bonds in carbon dioxide and water.
Epithelial tissue covers the body, lins internal surfaces, and forms glands.
Answer:
Here's what I get
Explanation:
If the orbital is 5d, n = 5 and l=2.
mₗ = -l, -l + 1, -l + 2, …., l
(mₛ is a quantum number for electrons)
Thus, we can have the following combinations.
That makes a total of five 5d orbitals.
The pictures below show what two of them look like.
