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Alkaline Important as Element or Compound

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Alkaline Important as Element or Compound

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Alkaline is Important as a compound because they are used in for building and making fireworks while the element is used for minor medicine we need it to more as a compound than an element

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Barium nitrate and barium chlorate are used in fireworks to give off green light when heated. Barium is also an ingredient in paint pigments. the use of radium ceased when people discovered the dangers of radiation. Today radium is used in the treatment of certain types of cancers. Salts derived from strontium compounds burn red and are used in fireworks and signal flares.  Calcium is also an important substance for manmade structures because it is used to make plaster, cement, drywall and other building materials.

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The alkaline earth metals are the elements in Group 2 (2A). They are beryllium, magnesium, calcium, strontium, barium, and radium. They are less reactive than alkali metals, but they form (except for beryllium) alkaline oxides and hydroxides.

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. Reactivity increases down the group. This is because the smaller the atom the closer the outer electrons are to the nucleus. Therefore there is a greater attraction between the nucleus and electrons in magnesium than there is in calcium.

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Alkali metal. The alkali metals are a group (First column) in the periodic table consisting of the chemical elements lithium (Li), sodium (Na), potassium (K), rubidium (Rb), caesium (Cs), and francium (Fr).

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https://sciencing.com/uses-alkaline-earth-metals-5183723.html
https://www.ducksters.com/science/chemistry/alkaline_earth_metals.php
https://www.s-cool.co.uk/gcse/chemistry/the-periodic-table/revise-it/group-i-and-group-ii
https://en.wikibooks.org/wiki/General_Chemistry/Chemistries_of_Various_Elements/Group_2
https://2012books.lardbucket.org/books/principles-of-general-chemistry-v1.0/s25-04-the-alkaline-earth-metals-grou.html
http://chemteacher.chemeddl.org/joomla/index.php?option=com_content&view=article&id=101

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These elements all have two valence electrons and tend to lose both to form ions with a two plus charge. Berylium is the least metallic element in the group and tends form covalent bonds in its compounds. These metals are less active than the alkalimetals, but are still fairly active

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The alkaline nature of these solutions provides this group of metals with its name. Alkaline earth metals are highly reactive, and the activity of these metals increases moving down the group. Calcium, strontium and barium can react with water at room temperature.

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 Name, and symbols of elements in the family/group

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 Name, and symbols of elements in the family/group

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The members of the alkaline earth metals include: beryllium (Be), magnesium (Mg), calcium (Ca), strontium (Sr), barium (Ba) and radium (Ra)

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When Alkaline Earth Metals combine with oxides they make up some of the most common minerals on Earth, with a variety of uses in industry, medicine and consumer goods. Some compounds give off a great deal of light when heated, making them key ingredients in fireworks.

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2.

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The general electron configuration of all alkaline earth metals is ns². ... The alkaline earth metals include beryllium, magnesium, calcium, strontium, and barium.

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They are silvery, shiny, and relatively soft metals.

They are fairly reactive under standard conditions.

They have two outer valence electrons which they readily lose.

They all occur in nature, but are only found in compounds and minerals, not in their elemental forms.

They react with halogens to form compounds called halides.

All of them except beryllium react strongly with water.

They tend to form ionic bonds, except for beryllium which forms covalent bonds.

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Overall Physical and chemical properties

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Overall Physical and chemical properties

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shiny.

silvery-white.

somewhat reactive metals at standard temperature and pressure.

readily lose their two outermost electrons to form cations with a 2+ charge.

low densities.

low melting points.

low boiling points