Write the balanced equation for the reaction that occurs between potassium sulfide and copper(II) acetate.

Q: Provide the electronic configuration and electron orbital diagram for nickel (Z = 28).

A: The arrangement of electrons of an atom or molecule in atomic or molecular orbitals are called…

Q: What is lithium?

A: Pure substances that are made up entirely of atoms and have the same number of protons in their…

Q: Write the balanced equation of the reaction between Al and oxygen in the presence of heat.   4.…

A: In the given question we have to write the balance equation of the following reaction.  3. Aluminium…

Q: 1. Determine if the oxide is acidic or basic: CO: a. Acidic b. Basic 2. Determine if the oxide is…

A: Acidic oxides : oxides that reacts with water and produces an acid. Example : most of the non-metal…

Q: 2) What is one of the major hazards associated with potassium dichromate?

A: Potassium dichromate molecular formula is K2Cr2O7.

Q: write the equation for the reaction of chromium (iii) nitrate and ammonium sulfide when combined:

A: Formula of chromium (iii) nitrate is Cr(NO3)3 Formula of ammonium sulfide is S(NH4)2.

Q: Why are metals commonly white but copper and gold are colored?

A: Answer - According to the question - Metal are white because  in  smooth surface these metal will be…

Q: Write the balanced chemical equation for the reaction of solid potassium with liquid water?

A: Given: Reaction of solid potassium with liquid water.

Q: Explain quaternary Metal oxides?

A: Metal oxides are made up of metal cation and oxygen anion. for distinguishing the metal oxides , one…

Q: Which of the following set of elements contain only type II metals? O Na, Ca, Mg O Mn, Cd, Co O Ni,…

A:

Q: Which three steps need to be taken for the synthesis of elemental transition metals

A: Transition metals Elements that have (or easily create) partially filled d orbitals are known as…

Q: How can you explain the reactivities of halogens?

A: Interpretation - The reactivities of halogens are to be explained.

Q: (a) List four physical characteristics of a solid metal. (b) List two chemical characteristics of a…

A: PHYSICAL CHARACTERISTICS: The properties of elements or compounds noticed without any change in the…

Q: larger atomic radius?

A: The atomic radius of a chemical element is a measure of the size of it's atom.  Atomic radius is…

Q: Why is zinc not regarded as a transition element?

A: Transition metal has incomplete d subshell in one or more than one oxidation state.

Q: Define the term transition elements?

A: ● Transition elements (also known as transition metals) are elements that have partially filled d…

Q: Sketch a diagram showing the formation of energy levels from the valence orbitals for Rb Rb(2) Rb(3)…

A: The atomic number for Rb atom = 37

Q: Which of these oxides is not amphoteric Mgo a O A1203 .b O Zno.cO Sno.d

A: Amphoteric oxides are those metal oxides which show basic as well as acidic behaviour.  So, first we…

Q: Lithium shows similarities with magnesium in its chemical behavior. What is the cause of these…

A: Lithium shows similarities with magnesium in its chemical behaviour because they have similar size…

Q: Write the full electron configuration of iron, Fe. electron configuration: Write the full electron…

A: electronic configuration of iron Fe, atomic number of iron = 26 1s2 2s2 2p6 3s2 3p6 4s2 3d6

Q: Give reasons:(a) Platinum, gold and silver are used to make jewellery.(b) Sodium, potassium and…

A: (a) Platinum, gold and silver are used to make jewellery.  The reason for the above is Platinum,…

Q: Which element has the smallest atomic radius?a) C b) Si c) Be d) F

A: Atomic size:- It is the distance between the nucleus and its outermost shell electrons, which…

Q: Name two metals which occur in nature as oxides.

A: Metals are the elements which lose electrons to acquire a stable electronic configuration. When loss…

Q: 4. Why metals are electrical conductors?

A: Metals are good electrical conductors.  because there are free held loose electrons are present in…

Q: 35. Which of these elements form two stable oxides? A Silicon B Beryllium C Sulphur D Argon

A: Oxides are chemical compounds formed due to a combination of any element with molecular oxygen. The…

Q: Cesium has higher melting temperature than Sodium.   True or False?

A: Given : We have to tell whether the statement is true or not.

Q: Describe alkali metals?

A: The alkali metals consist of the chemical elements lithium (Li), sodium (Na), potassium (okay),…

Q: For each of these solids, state whether you would expect it topossess metallic properties: (a)…

A: TiCl4 and  ScN are ionic compounds and delocalization of electrons take place on the individual ions…

Q: Which of the following elements has the smallest atomic radius? As B Na Mg Br

A: The B (Boron) and Na (Sodium) has the smallest atomic radius.

Q: What are the alkaline earth metals?

A: The 's' block elements are formed by the combination of group 1 and 2 elements. The atoms of the 's'…

Q: Write a general equation for the reaction of an alkali metal with each substance.a. a halogen b.…

A: Alkali metals are first group elements. They show a fixed valency of +1. Halides show -1 unit…

Q: Why is color not an accurate property to use to identify most minerals?

A: Color is not an accurate property to use to identify most minerals.

Q: Write balanced equations for the following reactions:potassium oxide with water,

A: The balanced equation is the chemical equation for a chemical reaction in which the no of atoms…

Q: Write a balanced equation for the expected reaction betweenpotassium metal and elemental sulfur,…

A: A balanced chemical equation is the equation in which equal number of atoms are present on both the…

Q: Give the properties of the oxides in a particular period.

A:

Q: Write balanced equations for the following reactions selenium dioxide with aqueous potassium…

A: A chemical equation is a short form notation which is generally used to indicate a reaction. In a…

Q: What and the three chemical properties of halogens?

A: Halogen family is the group of elements that is present in Group VIIA of the periodic table.  The…

Q: Why does table salt, NaCl, some times appear yellow in colour?

A: All matter can exist in different physical states; solid, liquid and gases. Solid is well known…

Q: Write the five balanced reactions of the copper cycle, including phase symbols. Number them 1…

A: Copper cycle involves five reactions.In the first reaction, copper metal is oxidized by nitric acid…