subject
Chemistry, 11.03.2021 21:30 Lizethh1

Alejandra analyzed a Periodic Table and discovered that the element, "K," has an atomic number of 19 and an atomic mass of 39.10. What is the specific number of protons, electrons, and neutrons in this atom? What is the name of the element? URGENT PLS

Answer choices:
a. 15 protons, 39 electrons, and 36 neutrons; Krypton
b. 19 protons, 19 electrons, and 20 neutrons; Krypton
c. 15 protons, 39 electrons, and 36 neutrons; Potassium
d. 19 protons, 19 electrons, and 20 neutrons; Potassium

ansver
Answers: 3

Another question on Chemistry

question
Chemistry, 22.06.2019 02:30
What does the cell nucleus do or, how does it function?
Answers: 1
question
Chemistry, 22.06.2019 19:00
What information does a complete ionic equation give that the balanced equation doesn’t show?
Answers: 1
question
Chemistry, 22.06.2019 22:00
If a solution contains 3 moles/liter of sodium chloride (nacl, made of sodium ions and chloride ions), what is the osmolarity of this solution
Answers: 3
question
Chemistry, 23.06.2019 00:00
What is the empirical formula of a compound that is 50.7% antimony and 49.3% selenium ?
Answers: 2
You know the right answer?
Alejandra analyzed a Periodic Table and discovered that the element, "K," has an atomic number of 19...
Questions
question
Computers and Technology, 06.05.2020 04:00
question
Biology, 06.05.2020 04:00
question
Biology, 06.05.2020 04:00
question
Mathematics, 06.05.2020 04:00