Question

Use the portion of the periodic table shown below to answer the questions

sodium
11
magnesium
12
Na Mg
22930
potasiun
19
24305
cloum
20
21
K
Ca
SC
39.00
rubidium
37
Rb
25408
40.078
strontium
38
44.956
yorum
39
Sr
Y
87.62
88. SOS
Part 1: Name two elements that have the same properties as potassium (K). (4 points)
Part 2: Determine the number of protons, electrons, and neutrons present in an atom of magnesium (Mg). Explain how you determined your answer using complete sentences. (6
points)

Answer 1

Part 1:sodium

rubidium

Part 2: protons neutrons and electrons are all 12

The number of protons is equal to the no. of neutrons from the electronic arrangement of magnesium and the no. of electrons is got from the atomic no. of magnesium