structure and bonding Flashcards
(10 cards)
1
Q
what are the three states of matter?
A
solid liquid and gas
2
Q
how do you change an atom into an ion?
A
give or remove electrons from/to atom
3
Q
what does an atom consist of?
A
electrons
protons
neutrons
4
Q
what charge does a electron have?
A
negative ( - )
5
Q
what charge does a proton have?
A
positive ( + )
6
Q
what charge does a neutron have?
A
neutral ( = )
7
Q
what is ionic bonding?
A
When metals react with non-metals
8
Q
what is the giant ionic structure formed from pressurised carbon?
A
Diamond
9
Q
what is covalent bonding?
A
formed between nonmetal atoms, which combine together by sharing electrons
10
Q
what is the symbol equation for sodium chloride (balanced)
A
2Na + Cl2 → 2NaCl
