The name of Pb(NO3)2 of is Lead II trioxonitrate V
The bond which exist in is Lead II trioxonitrate V ( Pb(NO3)2 ) are both ionic and covalent bond
<h3>What is a compound?</h3>
A compound is a substance which contains two or more elements chemically combined together
So therefore, the name of Pb(NO3)2 of is Lead II trioxonitrate V
Learn more about a chemical compound:
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This should help hopefully
In a neutral atom, the number of protons is equal to the number of electrons.
Given that the charge on the ion of the element is -1. This means that there is one electron more than the number of protons in the element.
The atomic number = Number of protons = 57 -1 = 56
Element with atomic number 56 is Barium.
Mass number of the element = Number of protons + Number of neutrons
= 56 + 80 = 136
So the identity of the species: 
The correct option is this: THE ATOMS IN THE SOLID WILL BE VIBRATING IN POSITION.
This is because the molecules in solids are held together by strong inter molecular forces, the molecules can not move about freely but they cab vibrate in their position.
Heat energy is the answer because the heat is coming from the fire heating the sausage