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What element is in group 16 of the fifth period?
Any element in the group 6 and period 3 (IUPAC version of periodic table).
Why was francium not in Mendeleev's periodic table?
In 1869 when D. Mendeleev designed his periodic table any element in the period 7 was known. Today francium is in the group 1, period 7, atomic number 87.
Write the chemical symbol for the element in period 3 and group 3a?
The compound in group 7A and third period is Bromine or Br. The dot of this would be . . :Br. . . The compound in group 7A and third period is Bromine or Br. The dot of this would be . . :Br. . .
Is it true that Elements can only bond with other elements within the same row or period?
no they can bond with any other element
What element is on the 4th period on the periodic table that has 29 electrons?
The number of electrons is not the key factor in determining an element, because ions can have more or fewer electrons. However, assuming an element that hasn't gained or lost any electrons, the element would be Copper.
Do you count the last or first day of your last period?
Any counting of days regarding menstruation or fertility is always from the first day of your period - LMP is the day you started your last period, fertility window is from LMP - to days 9 thru 16 - the average cycle is 28 to 34 days beginning with LMP.
What element is in group 16 of the fifth period?
Any element in the group 6 and period 3 (IUPAC version of periodic table).
What do any last letters after the second period mean in a URL?
Note: When you do put a period after a URL, don't leave any space between the last character of the URL and the period.
What is always the same for any given element?
The number of protons.
Why is argon the last element?
It is because it usually does not combine with any elements
Atoms of the same element always have the same number of what?
All atoms of a given element have the same number of protons in a nucleus. It is the number of protons in an atom's nucleus that determines the elemental identity of any atom. Period.
Is it normal to have a period to last for twenty four days?
yes periods can last any amount of days
Which is always equal to the molar mass of any element?
The atomic mass of an element is equal to its molar mass in grams/mol.
How could electron configuration be used to predict relative atomic size?
the larger the highest energy level number, the larger the atomic radius
Is a square always a ractangle?
No. A rectangle is not the same as a square in any way, period.
Which of these is always equal to the molar mass of any element?
This is sum of the atomic weights of elements contained in the formula.
What element is found in group 7 and period 6?
there is no element found in such a place because that spot doesn't exist. there is a period 4-7 but not 1-3 for group 6. that particular spot is open and doesn't include any elements
