isabellarafalko
Answered

Westonci.ca is the premier destination for reliable answers to your questions, brought to you by a community of experts. Discover in-depth answers to your questions from a wide network of professionals on our user-friendly Q&A platform. Get quick and reliable solutions to your questions from a community of experienced experts on our platform.

Given the atomic
notation of 19/9 X, identify element X.
a fluorine
b neon
C potassium
d nickel

Sagot :

Answer:

a

Explanation:

its electron arrangements is 9

Answer: Choice A) fluorine

Explanation:

The notation [tex]^{19}_9X[/tex] refers to some element X that has 9 protons and 19 protons and neutrons (so that means 19-9 = 10 neutrons). The element that has 9 protons is fluorine (symbol F on the periodic table)

This means [tex]^{19}_9X[/tex] would update to [tex]^{19}_9F[/tex]

We hope our answers were helpful. Return anytime for more information and answers to any other questions you may have. We hope you found this helpful. Feel free to come back anytime for more accurate answers and updated information. Westonci.ca is committed to providing accurate answers. Come back soon for more trustworthy information.