What covalent bond is phosphorus and oxygen

Answers

Answer 1

Answer: Covalent bond

When two atoms react, they form either of two kinds of bond, ionic bondsor covalent bonds.Ionic bonds are the type of bonds where there is transfer of electrons from one atom to another. The electrons are removed and from one atom and attached to another. A good example is salt which is composed of sodium and chlorine. Sodium readily loses one of its electrons and chlorine readily accepts it. Before losing the electron, sodium has a positive charge, but then becomes negatively charged after giving up the electron. Chlorine has a positive charge before gaining the electron but becomes negatively charged after gaining the electron. These opposite charges between sodium and chlorine attract the two elements together to form the ionic bond.

Covalent bonds are the kind of bonds formed when two atoms share electrons. Here there is sharing, none of the atoms loses an electron and none gains. A good example is water which is formed when oxygen shares two electrons, each with an atom of hydrogen. The Oxygen atom forms two covalent bonds with the pair of hydrogen atoms.

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Gas produced from a reaction is a phase change and not a chemical change. a. True
b. False

Answers

Answer: The given statement is false.

Explanation:

A chemical reaction is a reaction which brings change in chemical composition of reactants resulting in formation of new compounds which have different chemical properties.

For example, $Zn + H_(2)SO_(4) \rightarrow ZnSO_(4) + H_(2)$

So, when gas is produced in a chemical reaction then it means new compounds are formed due to breakage of old bonds and formation of new bonds.

Thus, we can conclude that the given statement gas produced from a reaction is a phase change and not a chemical change, is false.

False I believe.
Hope I've done my duty!

The process in which a substance changes from a gaseous state to the liquid state is

Answers

The process in which a substance changes from a gaseous state to a liquid state is condensation

hope this helps!!!

Answer:

Condensation is the change of state from a gas to a liquid

What are the key differences between dependent and independent variables? *

Answers

Dependent variables are essentially what you are measuring and is kept the same, and the independent variable is what you change in the experiment

Who described atoms as small spheres that could not be divided into anything smaller?

Answers

Chemist John Dalton described atoms as small spheres that could not be divided into anything smaller.

Answer:

Chemist John Dalton

When electrons are added to the outermost shell of a carbon atom, it forms?

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correct, it forms an ANION.....

Anion in largest form

As air passes over a body of water, some of the carbon stored in the water is transferred to the atmosphere. This process is called _________________________________

Answers

This process is called diffusion.

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The table lists the lattice energies of some compounds. Compound Lattice Energy (kJ/mol) LiF –1,036 LiCl –853 NaF –923 KF –821 NaCl –786 Which statement about crystal lattice energy is best supported by the information in the table? The lattice energy increases as cations get smaller, as shown by LiF and KF. The lattice energy increases as the charge of anions increases, as shown by LiF and LiCl. The lattice energy decreases as anions get smaller, as shown by NaCl and NaF. The lattice energy decreases as the charge of cations decreases, as shown by NaF and KF.

6 CO2 + 6 H2O + Energy--> C6H12O6 + 6 O2 is the chemical formula for:A: abiogenesis B: Respiration C: Photosynthesis D: Homostasis

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Which types of bond is formed between the two chlorine atoms in a chlorine molecule?