Is solid phosphorus a conductor or an insulator

Answers

Answer 1

Answer: its an Insulator , i hope this helps.

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Which element has atoms that can bond with each other to form long chains or rings?(1) carbon (3) oxygen
(2) nitrogen (4) fluorine

Answers

The correct answer is option 1. It is the carbon (C) atom that can bond with each other to form ring and chain structures in compounds. These ring and chain structures and compounds are called organic compounds. Chain structures include alkanes, alkenes, alkynes. Ring structures include cyclic hydrocarbons and aromatic hydrocarbons.

Answer: Option (1) is the correct answer.

Explanation:

Carbon atoms are able to combine with its atoms resulting in formation of long chains. This property of carbon is known as catenation. Whereas carbon atom also has the property to combine with other atoms and results in the formation of long chains or rings.

On the other hand, oxygen, nitrogen, and fluorine does not form long chains or rings.

Thus, we can conclude that carbon is the element whose atoms can bond with each other to form long chains or rings.

Why do scientists use stirbars in the laboratory?a. to cool a solution
b. to heat a solution
c. to decrease the surface area of a solute
d. to agitate a solution

Answers

Answer : The correct option is, (d) to agitate a solution

Explanation :

Stir bars is a type tool which is used in the chemical laboratory for mixing the solute in the solvent.

Stir bars is a magnet which is covered with such type of material that does not react with any liquid it is immersed in. Its cover is not react for any type of liquids.

The stir bar magnet is placed in a container or flask. The stir bar magnet made to spin with an external magnetic field.

The stir bar magnet is used in the laboratory to agitate a solution.

Hence, the correct option is, (d) to agitate a solution

D. to agitate a solution

Rainforests are typically responsible for global oxygen turnover

Answers

false...........................................

Answer:

false

Explanation:

The energy required to completely separate the ions from a solid is(A) free energy
(B) lattice energy
(C) kinetic energy
(D) activation energy
(E) ionization energy

Answers

The answer is (B.) lattice energy

PLEASE HELP!!!A reaction is in equilibrium as shown: A + B C + D. Calculate the equilibrium constant if the final concentrations stabilize at:

A = 9.60 M
B = 10.0 M
C = 4.00 M
D = 4.00 M