First 20 Elements Flashcards
(21 cards)
What element has the atomic number 1?
Hydrogen
Symbol: H
What element has the atomic number 2?
Helium
Symbol: He
What element has the atomic number 3?
Lithium
Symbol: Li
What element has the atomic number 4?
Beryllium
Symbol: Be
What element has the atomic number 5?
Boron
Symbol: B
What element has the atomic number 6?
Carbon
Symbol: C
What element has the atomic number 7?
Nitrogen
Symbol: N
What element has the atomic number 8?
Oxygen
Symbol: O
What element has the atomic number 9?
Fluorine
Symbol: F
What element has the atomic number 10?
Neon
Symbol: Ne
What element has the atomic number 11?
Sodium
Symbol: Na
What element has the atomic number 12?
Magnesium
Symbol: Mg
What element has the atomic number 13?
Aluminum
Symbol: Al
What element has the atomic number 14?
Silicon
Symbol: Si
What element has the atomic number 15?
Phosphorus
Symbol: P
What element has the atomic number 16?
Sulfur
Symbol: S
What element has the atomic number 17?
Chlorine
Symbol: Cl
What element has the atomic number 18?
Argon
Symbol: Ar
What element has the atomic number 19?
Potassium
Symbol: K
What element has the atomic number 20?
Calcium
Symbol: Ca