4. Why metals are electrical conductors?

Q: L. Identify the metal

A:

Q: What is the role of heavy metal balance sheet in our ecosystem?

A: Heavy-metal flows (Cd, Cu, Pb, and Zn) of arable, dairy and mixed farming systems and farm-gate and…

Q: What are lanthanide elements?

A: What are lanthanide ?

Q: III. Name one element in the Halogen Group.

A: Halogen group means, group 17 element in the periodic table. see below

Q: 10. A river water samples was collected a week before it was analyzed for a trace level of metals.…

A: Solution 10)  Problems encountered in storage of sample 1) addition of extra impurity :when we take…

Q: Metal workers designed best alloys. Where can the development of modern chemistry be traced to

A: Alchemists laid the groundwork for modern chemistry by conducting experiments and recording the…

Q: 1. Briefly summarize the explanation of why the gas discharge tube glows when the high voltage is…

A: The gas discharge tube glows when the high voltage is applied because an electric field is created…

Q: Describe the general characteristics of metals.

A: Introduction: In the periodic table, all elements can be classified into three categories, 1.Metal:…

Q: what are the uses of inorganic chemistry in medicine or pharmacy

A: Inorganic chemistry can be defined as the branch of chemistry that deals with substances containing…

Q: Give TWO reasons why aluminium metal was not commonly used till last century, even though it is one…

A: Two main reasons that elaborate the uncommon use of aluminum in the last century can be listed as…

Q: Why is chlorine a halogen

A: Given question is : Why is chlorine a halogen = ?

Q: In what physical state does chlorine exist at −65°C?

A: The physical state of an element depends upon its boiling point and melting point temperatures.

Q: The Group 1B metals, Cu, Ag, and Au, are calledcoinage metals. What chemical properties make…

A: The chemical properties of Group 1B metal that makes them suitable for making coins and jewelry has…

Q: 1. Suppose there is an atom of oxygen, containing eight protons and eight neutrons in the nucleus,…

A: 1. An oxygen atom has eight protons and eight neutrons in the nucleus. Another four neutrons are…

Q: a The relative ages of the rocKS b The composition of the rock

A: Dear student I have given answer to your question in the image format.

Q: Elemental phosphorus is tetratomic. Why?

A: Phosphorous is a element with large atomic size.

Q: 3. The Statue of Liberty consists of copper plates on an iron skeleton. The statue was recently…

A:

Q: What are Metallic Solids?

A: To find: What are metallic solids

Q: metal atoms tend to do ?

A: Metal atoms tends to loss electrons to form cation(positively charged.).

Q: Using the idea of dobereiner’s trades, what conclusion could have been made about magnesium

A: According to dobereiner’s trades, average atomic mass of first and third elements give the atomic…

Q: 1)When a positively charged metal touches an electroscope, electrons transfer from ______.…

A: Electrons in the metal of the electroscope are drawn to the charge and pass upward out of the leaves…

Q: How to infer the presence of the copper ion?

A: The confirmatory tests for copper (II) ion is detected by two method. Method 1: By potassium…

Q: Differentiate between metal and non-metal on the basis of their chemical properties.

A: Metals are lustrous and opaque elements which are good conductor of heat as well as electricity. And…

Q: which group of metals are most reactive metals? How many valance electrons does this group of metals…

A: The metals are electropositive. Metal atoms donate electrons easily. The amount of energy required…

Q: <p>Describe three typical properties of metals.

A:

Q: What were two of the three reasons it took so long for lithium to be available for use in the United…

A: Lithium has its atomic symbol of Li. Its atomic number is 3. It is in the group of alkali metals. It…

Q: Chemistry How could you explain the difference in early and late transition metals using nickel as…

A: Generally, early transition-metals have strong resistance to undergoing reductive elimination to…

Q: What are the structure and chemistry of nuclectides?

A: What are the structure and chemistry of nuclectides.,

Q: Explain silicon.

A:

Q: Why we need to detrimine the concentration of trace elements?

A:

Q: What ions are part of the silver group?

A: Different basic radicals have different solubility products and are precipitated by different…

Q: Which instrument can be used best to detect metals in Water like POTASSIUM?

A: potassium is very reactive element and it reacts even in water and air .

Q: What element will be the best conductor of electricity?

A: Electrical conductivity is a property of a substance by which it allows the passage of electricity…

Q: What is used to test for chlorine? * A a glowing splint B damp litmus paper O C limewater

A: what is used to test for chlorine has to be given,

Q: does Melted (potassium chlorate) & Melted (silver chloride) conducts electricity? and why?

A: The flow of charge is known as electrical conductivity and if a matter contains free electrons or…

Q: what are the interesting properties  of  phosphorus

A: The interesting properties of phosphorus has to be given.

Q: Give 5 behavior and properties of metallic bonding

A: ANSWER IS DISCUSSED BELOW :

Q: does hydrogen exist as an atomic element in the air?

A: Interpretation: Does hydrogen gas exist as an atomic element in the air is to be determined.

Q: which properties of aluminum might concern you if you had to use the aluminum tableware that…

A: Aluminum has a very high affinity to oxygen. When a new aluminum surface is exposed in the presence…

Q: d) Discuss the advantage of aluminium and magnesium over steel in industrial applications. How could…

A:

Q: >Why was copper one of the first metals that humans used?

A: Copper is considered to be one of the first metals to be used by humans. The main reason for its…

Q: what are Metals

A: Metal are the substances which form naturally beneath the surface of earth. They generally are found…

Q: 1. Compare some common physical properties of metals and non-metals.

A: Note - Since you have asked multiple questions, we will do the first question for you. If you want…