halie13 halie13

13-09-2018
Chemistry

contestada

Need help with 7,9 and may you check my answer for 8 to ?

Need help with 79 and may you check my answer for 8 to class=

Respuesta :

Artalicious Artalicious

13-09-2018

8 looks right to me but not 100%

Answer Link

anahontoria33 anahontoria33

13-09-2018

Number 9 is C because they are the same element but different numbers. Number 8 is B because they are isotopes of each other, and isotopes have varying number of protons (that’s what make them isotopes of each other.) Number 7 is B.

Answer Link

Otras preguntas

The U.S. Department of Education has identified _____ career clusters.

If 3 times a certain number is increased by 4 the result is 28. What is the number? If x is "the number," which of the following equations could be used to solv

2 times the square root of 27 minus the square root of 48

41°F equals how many degrees Celsius? A. –5°C B. 5°C C. 9°C D. 56°C

Mañana _____________ el museo de historia con mi hermano.

What are some of the challenges that could arise from setting up a file management system on a computer

All of the following statements about nationalism are true EXCEPT ___. a) it evolved from cultural unity b) it was opposed by liberals c) its roo

If A = (-1, -3) and B = (11, -8), what is the length of AB ? A.12 units B.13 units C.11 units D.14 units

what is - 3/4 + 2 3/4 ?

What type of poem is "the unicorn"? a sonnet a lyric a ballad Free verse