Topic 1: Pure Substances and Mixtures Flashcards
1
Q
What is the formula for salt?
A
NaCl
2
Q
what elements contain gaseous non-metals bat room temperature?
A
- oxygen
- noble gas
- diatomic elements
3
Q
what are the seven diatomic elements?
A
hydrogen
nitrogen
oxygen
fluorine
chlorine
iodine
bromine
(at seven make a seven + first element)
4
Q
A