elements - a part or aspect of something abstract, especially one that is essential or characteristic., compounds  - a thing that is composed of two or more separate elements; a mixture., mixture  - a substance made by mixing other substances together., solution - a means of solving a problem or dealing with a difficult situation., Homogeneous mixture - a mixture in which the composition is uniform throughout the mixture.,

Bảng xếp hạng

Phong cách trực quan

Tùy chọn

Chuyển đổi mẫu

Bạn có muốn khôi phục tự động lưu: không?