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Metals in Group (II) '2' form chlorides of the formula MCl2 .

r.g. CaCl2 , MgCl2 , BaCl2

However, some transition metals also form chlorides of the form MCl2 . However, this depends on the oxidation state of the metal . Iron in oxid'n state '2' will form a chloride of FeCl2. Also copper CuCl2 and zinc ZnCl2

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lenpollock

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How many elements under atomic number 101 have names ending with ium?

Well, darling, elements with names ending in "ium" are usually metals, and they're as common as wrinkles on a raisin. But if we're talking about elements with atomic numbers less than 101, then there are 8 elements with names ending in "ium." So, to answer your question, there are 8 elements under atomic number 101 that have names ending with "ium."


What does the ide ending in a polyatomic ion mean?

The ide ending in a polyatomic ion actually has no practical meaning involved. The polyatomic compounds that do contain the ide ending have it because they were thought to be monatomic at one time.


Are all elements ending in -ium solid magnetic and metal?

No, not all elements ending in -ium are solid, magnetic, or metal. The properties of an element depend on its atomic structure and position in the periodic table. Some elements ending in -ium, such as helium and radium, have different properties - helium is a gas, while radium is a solid but radioactive metal.


What is the ending for the names for all binary compounds for both ionic and molecular?

-ide


How many elements are on the periodic table?

The first 92 (through uranium) occur naturally. The others are "transuranics." As of 2009, there are 118 ending with ununoctium. All together there are 117 elements on the periodic table, 94 of which occur naturally on earth. According to Wikipedia, there are 117 elements that have been isolated or synthesized, with a gap between element 116 and element 118. They do also show a wide (extended) format of periodic table with additional elements that have not been discovered, isolated, or synthesized on earth. See the related links below to see the standard and extended periodic tables.

Related Questions

What is a suprizing ending?

A surprising ending is that which contains unexpected elements.


How many elements under atomic number 101 have names ending with ium?

Well, darling, elements with names ending in "ium" are usually metals, and they're as common as wrinkles on a raisin. But if we're talking about elements with atomic numbers less than 101, then there are 8 elements with names ending in "ium." So, to answer your question, there are 8 elements under atomic number 101 that have names ending with "ium."


What does ide mean at the end of a compound?

An "-ide" ending in a compound typically indicates that the compound is a binary compound, meaning it consists of two different elements. The element with the "-ide" ending usually gains electrons to form an anion.


What does the ide ending in a polyatomic ion mean?

The ide ending in a polyatomic ion actually has no practical meaning involved. The polyatomic compounds that do contain the ide ending have it because they were thought to be monatomic at one time.


The -ide ending usually tells us that the compound is what?

The -ide ending typically indicates that the compound is made up of two elements, with the second element being a non-metal. These compounds are known as binary compounds.


What is a takeaway ending?

a takeaway ending is an ending that summerizes the whole essay and usually its the best part


How many elements have there name ending in ium in the first twenty elements in the periodic table?

Calcium, Potassium, and Helium


When naming a compound with two elements the ending of the second element is changed to .?

-ide


What describes a play that is a tragedy?

it's either "It usually has an unhappy ending." or "It usually has conflict."


What is the origin of surnames ending in niak?

Usually Polish.


Are all elements ending in -ium solid magnetic and metal?

No, not all elements ending in -ium are solid, magnetic, or metal. The properties of an element depend on its atomic structure and position in the periodic table. Some elements ending in -ium, such as helium and radium, have different properties - helium is a gas, while radium is a solid but radioactive metal.


Where are the most metallic elements are located where on the Periodic Table of Elements?

Starting with Column 3 Row 4 ending at Colum 12 Row 6.