Giáo án hóa học lớp 12 cơ bản – Tiết 53 : Tính chất của
sắt

I. MỤC TIU:
1. Kiến thức: Gip HS biết
- Vị trí, cấu tạo nguyn tử của sắt.
- Tính chất vật lí v hố học của sắt.
2. Kĩ năng:
- Viết PTHH của cc phản ứng minh hoạ tính chất hố học
của sắt.
- Giải được các bài tập về sắt.
3. Thái độ:
II. CHUẨN BỊ:
- Bảng tuần hồn cc nguyn tố hố học.
- Dụng cụ, hố chất: bình khí O
2
v bình khí Cl
2
(điều chế
trước), dây sắt, đinh sắt, dung dịch H
2
SO
4
lỗng, dung dịch
CuSO
4
, ống nghiệm, đèn cồn, giá thí nghiệm, kẹp sắt,…
III. PHƯƠNG PHÁP: Đàm thoại + diễn giảng + thí

3s
2
3p
6
3d
6
4s
2
hay
[Ar]3d
6
4s
2

 Sắt dễ nhường 2 electron ở phân
lớp 4s trở thnh ion Fe
2+
và có thể
nhường thêm 1 electron ở phân lớp
3d để trở thành ion Fe
3+
.

- HS nghiên cứu SGK để biết
được những tính chất vật lí cơ
bản của sắt.
II – TÍNH CHẤT VẬT LÍ: Là
kim loại màu trắng hơi xám, có
khối lượng riêng lớn (d = 8,9
g/cm

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