F321 june 14 questions Flashcards
(4 cards)
1
Q
different isotopes of antimony have the same chemical properties. explain why. (1)
A
same number of electrons in outer shell
2
Q
Silicon dioxide, SiO2, has the same structure and bonding as diamond. state the structure and bonding in SiO2. (1)
A
giant covalent lattice
3
Q
predict the structure and bonding of Ba3N2. (1)
A
giant ionic lattice
4
Q
chlorine reacts with aqueous sodium hydroxide to form bleach. write the equation and state the conditions for this reaction. (2)
A
2NaOH + Cl2 -> NaCl + NaClO + H2O
cold AND dilute (sodium hydroxide)
