Show:
Parts of an Atom
Natural Element Symbols
Elements Formulas
Element Formulas
Atomic Numbers
100
Nucleus
What is the center of an atom?
100
O
What is the element symbol for oxygen?
100
The smallest unit of an element.
What is an Atom?
100
KF
What is the chemical formula for potassium fluoride?
100
53
What is the atomic number of iodine?
200
Electron
What is the part of the nucleus that is negatively charged?
200
Cl
What is the element symbol for chlorine?
200
CuCl
What is the chemical formula for copper chloride?
200

AlPO4

What is Aluminium Phosphate?

200
1
What is the atomic number of hydrogen?
300
Proton
What is the part of the nucleus that is positively charged?
300
Al
What is the element symbol for aluminum?
300
Na3N
What is the chemical formula for sodium nitride?
300

H2O

What is water?

300
104
What is the atomic number of Rutherfordium?
400
Valence Electron
What is the farthest out electron in an atom?
400
Na
What is the element symbol for sodium?
400
SrO
What is the chemical formula for strontium oxide?
400

AlBr3

What is Aluminium Bromide?

400
62
What is the atomic number of samarium?
500
Neutron
What the subatomic particle in the nucleus that is neutrally charged?
500
Sn
What is the element symbol for tin?
500
Ag2O
What is the chemical formula for silver oxide?
500

H2NCHRCOOH

What is Amino Acid?

500
103
What is the atomic number of lawrenceium?