a) Number of protons = number of electron in the atom = atomic number
So it has 7 protons answer
N-3 has gained 3 electron so number of electrons + 7+3
= 10 answer
d because they want to detemine the cause of bacterial growth
The First Law of Thermodynamics states that heat is a form of energy, and thermodynamic processes are therefore subject to the principle of conservation of energy. This means that heat energy cannot be created or destroyed.
Answer:
is a combustion reaction
Explanation:
The reaction is a combustion since you have a hydrocarbon reacting with oxygen to form water and carbon dioxide.
The balanced equation is: 
If this helped, a brainliest answer would be greatly appreciated!
Answer:
Boron and Aluminium
Explanation:
Boron and Aluminium are present in Group 13 of the modern periodic table. Group 13 (IUPAC System) can also be referred to as Group III-A. Logically, Boron and Aluminum can't be placed alongwith elements such as Yttrium as they don't exhibit properties of a transition metal.
