An atom in the ground state contains three electrons in its outermost principal energy level. This is an atom of an element found in Group A) 1 B) 5 C) 13 D) 3

Asingle atom of an element has 21 neutrons, 20 electrons, and 20 protons. which element is it? ok o z

2points why do scientists need governmental funding? o a. government politicians ask all the important scientific questions. o b. scientists have to pay taxes to the government on the money they make. o c. the cost of doing scientific research can be very high. o d. the government is controlled by scientists. submit

If 3.00 g of titanium metal is reacted with 6.00 g of chlorine gas, cl2, to form 7.7 g of titanium (iv) chloride in a combination reaction, what is the percent yield of the product?