Save
Busy. Please wait.
Log in with Clever
or

show password
Forgot Password?

Don't have an account?  Sign up 
Sign up using Clever
or

Username is available taken
show password


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
Your email address is only used to allow you to reset your password. See our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't Know
Remaining cards (0)
Know
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Atomic Weights

QuestionAnswer
Hydrogen (H) 1.0079
Helium (He) 4.00260
Lithium (Li) 6.941
Beryllium (Be) 9.01218
Boron (B) 10.81
Carbon (C) 12.011
Nitrogen (N) 14.0067
Oxygen (O) 15.9994
Flourine (F) 18.998403
Neon (Ne) 20.179
Sodium (Na) 22.98977
Magnesium (Mg) 24.305
Aluminum (Al) 26.98154
Silicon (Si) 28.0855
Phosphorus (P) 30.97376
Sulfur (S) 32.06
Chlorine (Cl) 35.45
Argon (Ar) 39.948
Potassium (K) 39.0983
Calcium (Ca) 40.08
Scandium (Sc) 44.9559
Titanium (Ti) 47.90
Vanadium (V) 50.9415
Chromium (Cr) 51.996
Manganese (Mn) 54.9380
Iron (Fe) 55.847
Cobalt (Co) 58.9332
Nickel (Ni) 58.70
Copper (Cu) 63.546
Zinc (Zn) 65.38
Gallium (Ga) 69.72
Germanium (Ge) 72.59
Arsenic (As) 74.9216
Selenium (Se) 78.96
Bromine (Br) 79.904
Krypton (Kr) 83.80
Rubidium (Rb) 85.4878
Strontium (Sr) 87.62
Yttrium (Y) 88.9059
Zirconium (Zr) 91.22
Niobiom (Nb) 92.9064
Molybdenum (Mo) 95.94
Technetium (Tc) 98
Ruthenium (Ru) 101.07
Rhodium (Rh) 102.9055
Palladium (Pd) 106.4
Silver (Ag) 107.868
Cadmium (Cd) 112.41
Indium (In) 114.82
Tin (Sn) 118.69
Antimony (Sb) 121.75
Tellurium (Te) 127.60
Iodine (I) 126.9045
Xenon (Xe) 131.30
Cesium (Cs) 132.9054
Barium (Ba) 137.33
Lanthanum (La) 138.90547
Cerium (Ce) 140.12
Praseodymium (Pr) 140.9077
Neodymium (Nd) 114.24
Promethium (Pm) 145
Samarium (Sm) 150.4
Europium (Eu) 151.96
Gadolinium (Gd) 157.25
Terbium (Tb) 158.9254
Dysprosium (Dy) 162.50
Holmium (Ho) 164.9304
Erbium (Er) 167.26
Thulium (Tm) 168.9342
Ytterbium (Yb) 173.04
Lutetium (Lu) 174.967
Hafnium (Hf) 178.49
Tantalum (Ta) 180.94788
Tungsten (W) 183.84 (183.85?)
Rhenium (Re) 186.207
Os 190.2
Iridium (Ir) 192.22
Pt 195.09
Gold (Au) 196.9665
Mercury (Hg) 200.59
Thallium (Tl) 204.37
Lead (Pb) 207.2
Bismuth (Bi) 208.9804
Pollonium (Po) 209
Astatine (At) 210
Radon (Rn) 222
Franciu (Fr) 223
Radium (Ra) 226.0254
Ac 227.0278
Th 232.0381
Pa 231.0359
U 238.029
Np 237.0482
Plutonium (Pu) 244
Am 243
Cm 247
Bk 247
Cf 251
Es 252
Fm 257
Md 258
No 259
Lr 260
Unq 261
Unp 262
Unh 263
Uns 262
---
Une 266
---
Popular Chemistry sets

 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!
"Know" box contains:
Time elapsed:
Retries:
restart all cards