Hydrogen - is the lightest gas, Oxygen - is necessary for breathing, Nitrogen - is used to make fertilizers, Carbon - is found in all living things, Iron - is used to make steel, Copper - is used to make electric wires, Aluminium - is used to make airplanes, Calcium - helps build strong bones and teeth, Sodium - is found in table salt, Chlorine - is used to disinfect water, Helium - is used to fill balloons, Silicon - is used to make computer chips, Zinc - is used to protect iron from rust, Gold - is used to make jewelry, Lead - is used in car batteries, Iodine - is used to clean wounds,

Elements

โดย
สั่งพิมพ์
ฝัง

ลีดเดอร์บอร์ด

สไตล์ภาพ

ตัวเลือก

สลับแม่แบบ

คืนค่าการบันทึกอัตโนมัติ: ใช่ไหม