Science
30 Cards — Free
Periodic Table — First 30 Elements
The first 30 elements of the periodic table with symbols and atomic numbers.
All 30 Cards
1 - Hydrogen
H — Lightest element; most abundant in universe; gas
2 - Helium
He — Noble gas; second lightest; used in balloons
3 - Lithium
Li — Alkali metal; lightest metal; used in batteries
4 - Beryllium
Be — Alkaline earth metal; lightweight; toxic
5 - Boron
B — Metalloid; used in glass and detergents
6 - Carbon
C — Basis of organic chemistry; found in all living things
7 - Nitrogen
N — Makes up 78% of atmosphere; essential for life
8 - Oxygen
O — Makes up 21% of atmosphere; essential for respiration
9 - Fluorine
F — Most reactive element; halogen; used in toothpaste
10 - Neon
Ne — Noble gas; used in neon signs; orange-red glow
11 - Sodium
Na — Alkali metal; highly reactive; component of table salt (NaCl)
12 - Magnesium
Mg — Alkaline earth metal; lightweight; essential mineral for humans
13 - Aluminum
Al — Most abundant metal in Earth's crust; lightweight
14 - Silicon
Si — Metalloid; used in computer chips and glass
15 - Phosphorus
P — Essential for DNA and ATP; found in bones and teeth
16 - Sulfur
S — Yellow solid; 'rotten egg' smell; used in fertilizers
17 - Chlorine
Cl — Halogen; used in water purification; part of table salt
18 - Argon
Ar — Noble gas; third most abundant gas in atmosphere
19 - Potassium
K — Alkali metal; essential nutrient; found in bananas
20 - Calcium
Ca — Alkaline earth metal; essential for bones and teeth
21 - Scandium
Sc — Transition metal; lightweight; used in aerospace alloys
22 - Titanium
Ti — Transition metal; strong, lightweight, corrosion-resistant
23 - Vanadium
V — Transition metal; used in steel alloys
24 - Chromium
Cr — Transition metal; used in stainless steel; chrome plating
25 - Manganese
Mn — Transition metal; essential trace element; used in steel
26 - Iron
Fe — Most used metal; essential for hemoglobin; magnetic
27 - Cobalt
Co — Transition metal; used in magnets and batteries; blue pigment
28 - Nickel
Ni — Transition metal; corrosion-resistant; used in coins and alloys
29 - Copper
Cu — Excellent conductor; used in wiring and plumbing; reddish color
30 - Zinc
Zn — Transition metal; used in galvanizing steel; essential mineral
Study this deck on the go with Stacked — the AI-powered flashcard app.
Get Stacked Free →