When elements react together to form compounds their atoms join other atoms using chemical bonds. There are two types of bonds, ionic and covalent bonds. Ionic bonds are formed through an electrostatic attraction. Covalent bonds are formed by electrons shared by atoms.

http://www.google.com/imgres?imgurl=http://www.americansweets.co.uk/ekmps/shops/statesidecandy/images/american-ultra-tide-washing-powder-15-wash-pack-595g-20oz-box-5241-p.jpg&imgrefurl=http://www.americansweets.co.uk/american-ultra-tide-washing-powder-15-wash-pack-595g-20oz-box-5241-p.asp&h=545&w=631&tbnid=P8gGi-eaEMbPHM:&docid=-e7dKEalZAcHZM&ei=fYRaVq3TM4Kua-uwgOgF&tbm=isch&ved=0ahUKEwjthaWB67TJAhUC1xoKHWsYAF0QMwgbKAAwAA

This is an image of tide. Tide is a type of washing soda found in common homes. It is used for laundry and washing clothes. It is made out of Na2CO3. Which is colposed of sodium,carbon and oxygen.

http://www.google.com/imgres?imgurl=http://www.affinitydental.co.za/wp-content/uploads/2015/04/modern-toothpaste.jpg&imgrefurl=http://www.affinitydental.co.za/modern-toothpaste/&h=1200&w=1600&tbnid=QRW_LKUnjovUlM:&docid=LvVnDJaG4Dg-RM&ei=nIVaVtL5C4WQaKediagI&tbm=isch&ved=0ahUKEwjSt-qJ7LTJAhUFCBoKHadOAoUQMwgkKAIwAg

This image is toothpaste. Toothpaste is used for cleaning your teeth. It is made out of MFP. MFP is monofluorophosphate. 

MOODY