Change In State Flashcards
Endothermic
Heat is absorbed
Exothermic
Heat is released
Melting
The process by which a solid changes into a liquid by absorbing heat
Vaporisation
The process by which liquid turns into gas by absorbing heat
Condensation
The process by which a gas turns into a liquid by releasing heat
Freezing
The process by which a liquid turns into a solid hy releasing heat
What forms the white ring in the ammonia and hydrochloric acid ,where is it and why
Ammonia and hydrochloric acid both turn into gases but ammonia is the lighter of the two, so it’s travels faster than the acid.The white ring is caused by the mixing of both cases.The name of the white ring is called ammonium
Atom
Is the smallest particle of an element
Element
A pure substance made up if only one atom
A proton has what charge?
1+
What is the charge of an neutron?
0
What is the charge if an electron
-1
The mass number is located where
On the top left
Where is the atomic number located
On thr bottom left
Where is the valency
On the top right
