my symbol is K, who am i..

• sodium

• potassium

• lithium

• none

A pure substance containing only one kind of atom.

• element
• mixture
• compound

An element is made up of only one kind of _____.

• isotope
• plastic
• atom
• metal

I am the smallest whole particle of matter. 

• atom
• compound
• molecule
• mixture

Which 2 kinds of particles make up the nucleus of an atom?

• electrons and neutrons
• electrons and nuclei
• protons and neutrons
• protons and kryptons

Which particle carries a positive charge?

• Electron

• Neutron

• Proton

Which particle is neutral charged?

• Neutron

• Proton

• Electron

What is the element symbol of iodine?

• I

• Id

• In

Symbol of Magnesium

• Mg

• Mn

• M

• Cl

Symbol of Phosphorus

• P

• Ph

• Sn

• K