Metallic bonding
The particles in a metal are held together by metallic bonds.
High melting and boiling points
Metallic bonds are strong and a lot of energy is needed to break them. This is why metals have high melting points and boiling points.
Conducting electricity
Metals contain electrons that are free to move in the metal structure, carrying charge from place to place and allowing metals to conduct electricity well.
Metallic bonding - Higher tier
Metallic bonding is the strong attraction between closely packed positive metal ions and a 'sea' of delocalised electrons.
Answer:
Releases a lot of energy. When hydrogen a highly reactive element reacts with oxygen, it does so using immense force, when the bonds break high amounts of emery is released.
Explanation:
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Answer:
t=(70)ln(19.9/20)/-ln2
70 is the years. 19.9 kg is what is left after 0.1kg decay. 20kg is your initial amount.
t=0.506 years with a decay constant of 0.0099021/year
Explanation:
Answer:
0.172 M
Explanation:
M1V1=M2V2
(x)(47.0mL) = (37.5mL)(0.215M) solve for X
