The reactivity of group 1 metals INCREASES down a group but the reactivity of group 17 nonmetals DECREASES down a group. Explain

Q: Why Lanthanoides and actinoides are placed at the bottom of the periodic table?

A: The reason why lanthanoids and actinoids are found at the bottom of the periodic table has to be…

Q: An oxide in Period 3 reacts with NaOH and HCl to form salts. What is the formula of the oxide A CO:…

A: A multiple choice question based on periodic table, which is to be accomplished.

Q: Cesium tends to be the most reactive of the stable alkali metal. What atomic property of radioactive…

A: Cs is considered to be a radioactive metal. It is larger in size and its reactivity is very high. If…

Q: Why does a salt compound give off light/a colored flame when burned?

A: When the salts are burned, they are basically provided with the energy  hence the electrons present…

Q: Consider the figures above , which most likely to be silicon doped with Antimony Sb? * A B C A

A:

Q: Determine the highest possible oxidation state for element. V

A: The term oxidation state is also referred to as oxidation number. It describes the degree of…

Q: (a) Why is calcium generally more reactive than magnesium?(b) Why is calcium generally less reactive…

A: a.

Q: 1. I. How is metallic bonding formed? II. Explain why metallic bonding strength decrease down the…

A: Metallic bonding : This  type of bonding is formed by the electrostatic interaction of positive…

Q: dy 4.1. MetaliIs an element that readily produces positive ions (cationsl and has metallic bonds to…

A: Heavy metals refers to any metallic chemical element that has relatively high density and is toxic…

Q: 4. This question concerns the d-block elements, Sulphur, Nitrogen and Group IV elements,. (a) (i)…

A: (i) The main difference between d block elements and transition metals is that d block elements have…

Q: Define Alkali metals

A: The modern periodic table consists of various groups consisting of various elements. These are…

Q: Sequestering agent for Benedict’s Solution:

A: In this we have to know about sequestering agent for Benedict's solution and salts of these alkaline…

Q: Which would be the most reactive non-metal? A) 15P B) 19K C) 52Te D) 53I E) they are all equally…

A: The most reactive nonmetals reside in the upper right portion of the periodic table. The element…

Q: If copper is able to displace magnesium, and magnesium is able to displace lead, what does this mean…

A: From the given data we can infer that , Copper is more reactive than magnesium , and Magnesium is…

Q: This elements produced bright yellow flame when used in fireworks. * Ве Ca O Sr Mg Group 2 elements…

A: Answer Q=1 which element produce bright yellow flame when used in…

Q: 2 FeO(s) + 1 /2 O2(g) -> Fe2O3(s) why isn't it a formation reaction?

A: Formation reaction : The chemical reactions in which one mole of a substance form from its…

Q: Select basic oxide from the choices given. Choose one    H2O2   CO2   SiO2   P4O6   CaO

A: Basic oxides also called base anhydride, are usually formed by reacting of oxygen with metals. A…

Q: Make a schematic diagram of Group IV and Group V Cations (separate ) . Indicate the chemical…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: The electron configuration of V (vanadium

A: Vanadium is element of first transtion series or can say vanadium belongs to d block elements, or…

Q: (a) One of the alkali metals reacts with oxygen to form a solidwhite substance. When this substance…

A: The periodic table is the representation of the elements in the increasing order of their atomic…

Q: What is the most likely type of bind present between atoms of germanium and arsenic

A: Silicon and germanium are pure semiconductors. The addition of impurity to the pure semiconductor to…

Q: With specific reference to the boiling and melting point temperatures, explain the difference in the…

A: Melting point and boiling point of alkaline earth metals

Q: Discuss each conclusion from a study of redox reactions:(a) The nitride ion functions only as a…

A: Redox reactions are the combination of reduction and oxidation reactions. Oxidation is defined as…

Q: 2. Determine the formula for: a. Hexaaquachromium(III) sulfate b.…

A: The formulas are as follows:

Q: 1. For Zn,Cuz.xInı„S2 and Zno.44Cuo.78IN0.7852, use the oxidation state of each element to show how…

A: The oxidation state of Zn is +2. The oxidation state of Cu is +1 in stable salts. The oxidation…

Q: How do metals react in a group?

A: We classify Group 1 and 2 as metals in the periodic table. Group 1 and Group 2 elements are known as…

Q: Why is Group I elements known as the most electropositive element?

A: Electropositive nature of the elements is determined by their ability to lose the valence electrons.…

Q: Give 5 behavior and properties of metallic bonding

A: ANSWER IS DISCUSSED BELOW :

Q: The Group 1A elements A) melt at high temperatures B) are unreactive and are rarely found in…

A: Group 1A element are also called alkali metals. Li, Na, K, Rb, Cs.  Group I elements have 1 valence…

Q: Which of the following is atransition metal? A. Barium B. Mercury C.     Cesium   D. Aluminium

A: A transition metal is defined as an element whose atom has a partly filled d sub-shell, or which can…

Q: Iron(II) fumerate (also called ferrous fumerate) is prescribed for patients suffering from iron-…

A:

Q: As the atomic number of Group IA elements increases, does the reactivity of the elements increase or…

A: Ionization Energy (I.E.)- Amount of energy required to remove last shell electron of an isolated…

Q: AgBr + GAPO, →_Ag,PO, + GaBr, AIBr, + K,SO, → _ KBr + Al,(SO,),

A: The question is based on the concept of balancing the reaction    in first step of any calculations,…

Q: Give an example of ionisation isomerism.

A: Given: Explain ionisation isomerism with example.

Q: Write a balanced equation for the reaction that occurs in each ofthe following cases: (a) Chlorine…

A:

Q: Make the structure based on the Blomstrand-Jorgensen theory and calculate the effective atomic…

A: Blomstrand proposed that ammonia molecule could link together as CH2 chains in hydrocarbons, and…

Q: Why do Iodine crystals cause carbon tetrachloride solutions to change its colors? And why it (iodine…

A:

Q: Discuss each conclusion from a study of redox reactions:(a) The sulfide ion functions only as a…

A: Reducing agent is the substance which contains the element in the lowest oxidation state. While,…

Q: With specific reference to the boiling and melting point temperatures, explain the difference in the…

A:

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…