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Why is neon in the groups and periods of the periodic table?
The noble gases were recognized in the late 1800s, when scientists realized that an entire class of gases was missing from the periodic table of elements. Like other noble gases, neon does not readily form compounds, although it is not, strictly speaking, inert.
What group and period is neon in?
Neon is in period 2 of the periodic table, and in group 18, the noble gases
What is the family name for neon on the periodic table?
Neon is a noble gas located in period 2 on the periodic table.
How many electrons do the elements of the most stable group have in their outer shells?
Elements in the most stable group of the periodic table, also known as the noble gases, have full outer shells. This means they have 2 electrons in the case of helium, and 8 electrons for all other noble gases.
What is the name of group 18 elements in the periodic table?
it is 35
On the periodic table which is the simplest and most stable element because it contains 2 protons and 2 electrons?
This element is helium.
What are the elements in the last column of the periodic table?
The elements in the last column of the periodic table, known as the noble gases, are Helium (He), Neon (Ne), Argon (Ar), Krypton (Kr), Xenon (Xe), and Radon (Rn). These elements are gases at room temperature and have full outer electron shells, making them stable and unreactive.
Why is helium's position not justified in periodic table?
Helium has 2 valence electrons and it should theoretically be placed along with group 2 elements. But since helium has completely filled orbitals (as do the noble gases), it is placed along with the noble gases.
How many groups in the periodic table contain 2 gases?
At a pressure of 1 atmosphere and 20 deg C, only one group (17) contains exactly 2 gases.
Each row in the periodic table ends when an outer energy level is what?
filled. That would be 2 electrons for helium, and 8 electrons for the rest of the noble gases in group 18 on the periodic table.
On the periodic table which is the simplest and most stable element because it contains 2 protons and two electrons?
Helium (He) Atomic Number: 2
What is heluim atom?
Look at a periodic table. He is element #2, with 2 protons and 2 neutrons in the nucleus, and 2 elecrtrons in the 1s orbital, making it stable.
