Question | Answer |
Halogens are what? | Toxic and non-metallic |
9
F | Fluorine |
Fluorine is named after what? | The latin word fluo, which means flow |
Who discovered Fluorine? | Joseph Moissan in 1886 |
What is Fluorine's boiling point? | -306.625 F |
What color is Fluorine? | pale yellow (highly toxic gas) |
Fluorine is the most ______ element, so it is extremely reactive | electronegative |
Fluorine was a proposed element in what year? | 1810, but could not be separated from compounds until 1886 |
17
Cl | Chlorine |
Chlorine is named from the greek chloros, meaning what? | pale green |
Chlorine is what color in its gas state? | yellow-green |
What is chlorine's boiling point? | -29.27 F |
Chlorine has the highest electron affinity and has the _____(number) highest electronegativity | 3rd highest |
Who discovered Chlorine? | Sir Humphry Davy in 1810 (confirmed status) |
Who wrote the original description of Chlorine? | Carl Schede in 1774 |
35
Br | Bromine |
Bromine's name was derived from Greek for what? | stench |
Bromine has an intense what? | smell |
What is bromine's boiling point? | 137.8 F |
What is bromine used for? | Fire retardants and photographic film |
Elemental bromine is very reactive and does or does not occur free in nature? | Does not occur free in nature |
53
I | Iodine |
Iodine is named for the greek word for what? | violet |
Who discovered Iodine? | Bernard Courtois in 1811 |
What is iodine's boiling point? | 363.7 F |
Iodine is found in what gland's hormones? | thyroid |
Deficiency in iodine can cause what? | Intellectual disabilities |
Radioactive isotopes of iodine can be used to treat what type of cancer? | thyroid cancer |
85
At | Astatine |
Astatine is named for the greek word for what? | unstable |
Astatine is what? | radioactive |
Who discovered astatine? | Dale Corson, Kenneth MacKenzie, and Emilio Segre in 1940 |
Astatine's appearance is what? | unknown |
Astatine has an extremely short what? | half-life (8.1 hours) |
Astatine decays into what elements? | Bismuth, polonium, or radon |
What is Astatine's boiling point? | 639 F |
117
Ts | Tennessine |
What is Tennessine named after? | the state it was discovered (Tennessee) |
Tennessine is the ___ heaviest known element? | 2nd heaviest |
Tennessine is produced how? | synthetically |
Tennessine is the most recently discovered element as of what year? | 2017 |
Tennessine is suspected to be what classification of element? | Halogen |
Tennessine was originally a proposed element with what name and symbol? | Ununseptium (Uus) |