1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
tangare [24]
3 years ago
11

What's the valency of lead in pbO2​

Chemistry
1 answer:
Andru [333]3 years ago
8 0

The valence of lead is 4.

Hence the name of the compound is called Lead (IV) oxide.

<h3>Further explanation</h3>

Given

PbO₂ compound

Required

The valence of Pb

Solution

The oxidation number of element O in the compound = -2, except for OF₂ the oxidation state = + 2 and the peroxides (Na₂O₂, BaO₂) the oxidation state = -1 and superoxide, for example KO₂ = -1/2.

The oxidation state in the uncharged compound = 0,

So The oxidation state of Pb :

Pb + 2.(-2) = 0

Pb - 4 = 0

Pb = +4

You might be interested in
what is the total amount of energy required to remove the most loosely bound electron from each atom in a mole of gaseous Ca
Temka [501]

Answer:

589.8 kJ/mol

Explanation:

Let's consider the process in which <em>the most loosely bound electron from each atom in a mole atom of gaseous calcium is removed.</em>

Ca(g) + Energy ⇒ Ca¹⁺(g) + 1 e⁻

The energy involved in this process is known as First Ionization Energy. The First Ionization Energy for calcium is 589.8 kJ/mol.

5 0
3 years ago
An instant cold pack purchased in a pharmacy contains a packet of solid ammonium nitrate surrounded by a pouch of water. When th
gavmur [86]

Answer:

c

letra c certeza confia

8 0
3 years ago
What does the subscript tell you?
OverLord2011 [107]
B. The number of atoms of each element in a formula
8 0
2 years ago
The blank which are represented by a single uppercase letter,or represented by an uppercase letter followed by a lowercase lette
melomori [17]

Answer: I believe it’s element symbols

Explanation: I hope we both get it right

7 0
3 years ago
What sodium and oxygen react to form of an ionic compound, the mass of the compound ____ the sum of the masses of the individual
Lana71 [14]
It's number two I think
5 0
3 years ago
Read 2 more answers
Other questions:
  • What does a graph representing Charles’s law show?
    13·2 answers
  • By inbvbsidiejebdhene
    10·1 answer
  • How many atoms of a chlorine element would be needed to react with one atomic of helium
    13·1 answer
  • For the following questions, use a periodic table and your atomic calculations to find the unknown information about each isotop
    7·1 answer
  • Please help me complete the following word equations:) also write the balanced equation, full ionic equation, and net ionic equa
    5·1 answer
  • A boy found a solid metal box in his backyard. The box had been buried for so long, it was difficult to determine from what the
    9·1 answer
  • What are the smallest units of matter?<br> O molecules<br> O atoms<br> O compounds<br> elements
    9·2 answers
  • What results when two or more atoms share electrons equally?
    8·1 answer
  • Consider the reaction Cu + AgNO3 Ag + CUNO3 Which element is reduced? Which element is the oxidizing agent?​
    10·2 answers
  • Which type of rock does B represent?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!