What are the two transition metals that areused in making jewelry and are the group 11 elementswith the lowest atomic masses?

Q: C) Justify each of the followings: 1) Nitrogen is very unreactive 2) Graphite conducts electricity…

A: (1) Nitrogen  is very unreactive as it contains a triple bond between it in the case of a molecule…

Q: What are lanthanide elements?

A: What are lanthanide ?

Q: Give TWO (2) reasons and ONE (1) example the transition metals act as good catalysts.

A: Elements that belong to d-block of the periodic table are called d-block elements or transition…

Q: Use the periodic table to classify each element as a main-group metal, a transition metal, an…

A:

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 is the physical state of element Co? what is the physical appearance of element Co? what is…

A: Cobalt is a d - block element. It's atomic number is 27 and atomic mass is 58.933 g/mol. It is…

Q: LEAST reactive on the table below: Ag, Cu, Fe, H, Mg, Ni, Pb, Sn, Zn…

A:

Q: Use the following key to classify each of the elements below in its elemental form:

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

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: Why is calcium more reactive than magnesium in general? and why is calcium less reactive than…

A: This question is based on general periodic table trends. We will analyse and find the answer based…

Q: What is the formula of the compound in which the atom combining ratios are: sodium : fluorine = 1 :…

A:

Q: Why are main group elements much simplier than the transition metals?

A: Introduction- The whole of periodic table is divided into- Main group elements- The elements of…

Q: QUESTION 2 Which of these transition elements has the largest atomic radius? O a. Ti O b. Fe O C. Mn…

A: Answer:As we move from left to right in a period, due to increase in effective nuclear charge,…

Q: Which oxide is acidic.  Calcium oxide Copper oxide Magnesium oxide  Or sulphur oxide

A: Acidic oxide:- It is an oxide that produces an acidic solution of mixing with water.

Q: Which of the following elements are transition metals/ions? A. Zn B. Sc C. V3+

A: Given three metals/ions Zn , Sc , V3+.We have to find which are transition metal/ion among this…

Q: Why is titanium metal called as strategic metal? Mention two of its properties which makes it so…

A: Titanium is called strategic metal because it is used for making certain war equipments.   The…

Q: What family of elements are the most active metals ?

A: What family of elements are the most active metals has to be given.

Q: Which element is more likely to gainelectrons, potassium or chlorine?

A: The element, which is more likely to gain electrons has to be given.

Q: Name two elements that occur in the free metallic state in nature.

A: The metals which are least reactive in nature can be found in free metallic state. Their reactivity…

Q: A 16.60 gram sample of chromium is heated in the presence of excess sulfur. A metal sulfide is…

A: Given that : Mass of Cr = 16.60g Mass of S =(Total mass of Metal sulfide - Mass of Cr) = (39.5g -…

Q: A ferromagnetic element is one that O a there is no magnetic force Ob magnets strongly attract…

A: The ferromagnetic elements are:

Q: Give the ground state orbital diagram of Mn

A: The electronic configuration of manganese, atomic number 25, is 1s22s22p63s23p63d54s2 The atomic…

Q: The element (X) is located in the third period and the group (5A) and the element (Y) is located in…

A: The atomic number of the element located between them is 33 & the name of the element is…

Q: what property is used to separate the aluminum sub group III A from the iron Sub group III B?

A: Solubility  is the property which is used to separate  aluminium and Iron in the  mixture .

Q: Define the term transition elements?

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

Q: Which element does not belong to the first transition series Iron O Chromium O Magnesium O Nickel

A: Transition elements: Transition elements are the elements which are having partially or incompletely…

Q: Which of the following is an inner transition element? A) Es B) Os C) Na D) F  E) none of these

A: Here given option and we are asked which element is belong to  inner transition element.

Q: Is strontium a type1 or type2 metal?

A: Firstly understand what is TYPE-1 and TYPE-2 metals:- •TYPE-1 METALS:-Metals whose ions(cations) can…

Q: Draw a partial (valence-level) orbital diagram, and write the condensed ground-state electron…

A: a.

Q: Which transition-metal ion with a 3+ charge has the electron configuration [Kr]4d?

A: Transition metal atom and ions are those elements which lie in between s and p block elements and…

Q: What is the most reactive metal to least reactive metal out of: Zinc Tim  iron  magnesium…

A: Metals are good conductor of heat and electricity for example: aluminium, copper whereas non metal…

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: 21. An element with the electron configuration [Xe] 6s'4f45dP would belong to which class on the…

A:

Q: Write the complete electron configuration for iron and draw the energy level diagram. Explain how…

A: Electronic configuration of an atom is defined as the filling of electrons in increasing order of…

Q: which of the d-block elements are not regarded as transition elements?

A: A transition metal is one which has incomplete outer d-orbitals when it forms one or more stable…

Q: Why does Copper emitt a green color when burned based off of its electron configuration.

A: Atomic number of copper is 19. Hence the electronic configuration of copper is [Ar] 3d¹⁰4s¹.

Q: 4) Write the full electron configuration for the transition metal, cobalt, Ni.

A: Electronic configuration is distribution of electrons in various energy level around the nucleus.…

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…