Skip to content / Đến nội dung
SachHeCam.com

Cambridge Secondary (7-9). Stage 9. MCE Science. Student Book - Unit 4: The Structure of the Atom and the Periodic Table - Question 34

Cambridge Secondary (7-9) · Unit 4: The Structure of the Atom and the Periodic Table

Question 34

An element has the electronic structure 2,8,8,2. Which period does it belong to?
0
0
GIỎ HÀNG
Empty CartGIỎ CHƯA CÓ GÌQUAY LẠI SHOP