<u>Answer</u>:-
Name of element = Lead
Symbol ♾ of Lead = Pb
Atomic no. = 82
Atomic mass = 207.2 amu
No. of protons = 82
No. of electrons = 82
Yes, lead(Pb) is a metallic element and certainly it has 6 electron shells which means 6 energy level.
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Answer:
4. they have the same number of protons
Explanation:
while all the other particles and attributes can be changed, protons cannot.
The answer is A- single bonds made by 1 atom to 3 other atoms within a molecule
Answer:
There are 1031.85 grams in 4.50 moles of Ba(NO2)2
Explanation:
m = 4.50 × 229.3 = 1031.85
Answer:
O O2(g) as a product
Explanation:
it is because oxygen is a gas and it must be given off in form of combustion
