subject
Mathematics, 18.03.2021 23:40 sierradanielle9280

Use the portion of the periodic table shown below to answer the questions. A portion of the first three columns of the periodic table is shown. Column one from top to bottom reads 11 sodium 22.990, 19 potassium 39.098, and 37 rubidium 85.468. Column two reads 12 magnesium 24.305, 20 calcium 40.078, and 38 strontium 87.62. Column three reads 21 scandium 44.956 and 39 yttrium 88.906.

Part 1: Name two elements that have the same properties as magnesium (Mg). (4 points)
Part 2: Determine the number of protons, electrons, and neutrons present in an atom of potassium (K). Explain how you determined your answer using complete sentences. (6 points)

ansver
Answers: 2

Another question on Mathematics

question
Mathematics, 21.06.2019 17:30
How many kilometers are equal to 5 miles? use 1 mile ≈ 1.61 kilometers. !
Answers: 2
question
Mathematics, 21.06.2019 23:00
Write as a product: ac^2–ad+c^3–cd–bc^2+bd
Answers: 2
question
Mathematics, 22.06.2019 00:00
Which is a logical conclusion based on the given information? a. figure abcd is a rhombus by the definition of a rhombus. b. segment ac is congruent to segment dc by cpctc. c. angle acb is congruent to angle adc by the angle-side-angle theorem. d. triangle acd is congruent to triangle cab by the hypotenuse-leg theorem.
Answers: 1
question
Mathematics, 22.06.2019 01:30
What is 60.9643790503 to 5 decimal
Answers: 1
You know the right answer?
Use the portion of the periodic table shown below to answer the questions. A portion of the first t...
Questions
question
History, 26.09.2019 07:00
question
Mathematics, 26.09.2019 07:00
question
Physics, 26.09.2019 07:00
question
Physics, 26.09.2019 07:00
Questions on the website: 13722361