Chemistry, 08.02.2021 05:00 sarbjit879

Circle the letter of the word or phrase that best completes the statement or answers the question.
11. What is the electron configuration for the noble gases other than helium?
a. ns?np
b. ns2
c. ns?np
d. nsnp
12. How many outermost d electrons are there in an ion that has achieved a pseudo-noble gas
configuration?
a. none
b. five
c. eight
d. ten
13. The anion that has the formula C10 is called the
a. chloride ion.
b. chlorate ion.
c. hypochlorite ion. d. perchlorate ion.
14. Where does a subscript that indicates the number of atoms appear, relative to a chemical
symbol in a formula?
a. to the upper left b. to the lower left c. to the upper right d. to the lower right
15. What is the formula of calcium phosphate, which is made up of the ions Ca2+ and PO 3-?
a. Ca, PO4
b. Ca PO
c. Caz(PO2)2 d. Ca,(PO.)3
16. Which of the following is an example of an interstitial alloy?
a. brass
b. 14-carat gold c. carbon steel
d. sterling silver

Answers: 3

Show answers

Another question on Chemistry

Chemistry, 21.06.2019 19:00

Iknow the answer to 13 is b and 14 is d. i just need to know why the correct answers are correct

Answers: 3

Answer

Chemistry, 21.06.2019 20:30

After cloud droplets form, what must happen to them for precipitation to occur?

Answers: 1

Answer

Chemistry, 22.06.2019 02:40

For a patient with the following pes statement and interventions, which would be the most appropriate monitoring and evaluating data? pes statement: inadequate calcium intake related to food and nutrition related knowledge deficit as evidenced by statements that the only dietary source of calcium is milk and she believes that she is lactose intolerant. patient’s nutrition prescription is for a diet providing 1200 mg calcium per day. patient was provided with in-depth nutrition education on alternative dietary and supplement sources of calcium. a. calcium intake (at subsequent visit) b. knowledge assessment by asking patient to identify food sources from menus and shopping list (at the end of the current visit) c. serum calcium (at next visit) d. both a and b e. both a and c

Answers: 2

Answer

Chemistry, 22.06.2019 12:00

In a laboratory, 1.55mg of an organic compound containing carbon, hydrogen, and oxygen is burned for analysis. this combustion resulted in the formation of 1.45mg of carbon dioxide and .89 mg of water. what is the empirical formula for this compound?

Answers: 1

Answer

You know the right answer?

Circle the letter of the word or phrase that best completes the statement or answers the question.<...

Questions