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What does the horizontal placing of the elements in the periodic table signify?
Wiki User
∙ 12y ago
It signify the group of the element. For example, the first group is called alkali metals. When it is moving from left to right of the Periodic Table, the atomic radius decreases, the ionization energy increases, and the electronegativity increases.
Wiki User
∙ 12y ago
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What does the number 15.999 signify in the periodic table of elements?
As far as i know, its the atomic mass of oxygen
What does the number 15999 signify on the periodic table?
15,999 Atomic weight of oxygen
Our own number system 0-9 is based on the what system?
9
What do you predict about an element from its position in the periodic table?
You can predict a lot from its position. As the group number increases, the number of shells also increase. This means that the element can react easily, as the electrons are farther away from the nucleus (as the nucleur charge decreases.) However, across a period, the effective nucleur charge increases, therefore the atomic size decreases the the element is therefore less reactive. Also, The elements towards the left of the table have more metallic characterisitcs, whil those on the right have non metallic characterisitcs. We can also find the valency through the periodic table....Valency increases across a period from 1 to 4 and then decreases (1,2,3,4,3,2,1). Hope it helped :)
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What does the number 15.999 signify in the periodic table of elements?
As far as i know, its the atomic mass of oxygen
What does the horizontal scale signify on an EKG?
Time
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Symbols represent name of the element. They signify the position of element in periodic table.
What does the number 15999 signify on the periodic table?
15,999 Atomic weight of oxygen
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Group VIIIA is one way to signify the halogen family of the periodic table.
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an ordered repititionof strong and weak elements to create movement
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M with a horizontal bar above the numeral to signify multiplication by one thousand. Placing brackets around a Roman numeral is an alternative method of indicating that the numeral within the brackets should be muliplied by 1000 so (M) means 1000 x 1000, which is 1,000,000.
What is the roman numeral for 4000 5000 10000?
In roman numerals 4000, 5000 and 10000 are IV, V and X respectively but with an horizontal bar above each numeral to signify multiplication by a thousand.
