Unit 2: Section 3 - Period 3 elements Flashcards
1
Q
What is the appearance and what are the physical properties of sodium?
A
- Metallic
- Shiny
- Conducts electricity (worst conductor of the metals)
2
Q
Reaction of sodium with acid?
A
Na + acid -> H2 + salt
3
Q
Reaction of sodium with cold water - equations and observations?
A
Vigorous reaction, floats on water, fizzes, melts due to -ΔH of the reaction
NaOH is pH 13-14
2Na + 2H2O -> 2NaOH + H2
4
Q
Reaction of sodiuma dn
A
