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The atoms of the elements in Group 2 have the same?
The atoms of elements in Group 2 have the same number of valence electrons, which is 2. This gives them similar chemical properties, such as forming 2+ cations in reactions.
Which atoms have the same valence as helium?
Helium has 2 valence electrons. Group 2 elements (alkaline earth metals) also have 2 valence electrons.
All of the atoms of the elements in period 2 have the sme number of?
Atoms of elements in group (column 2 of the periodic table) have 2 electrons in their outer shell. They have a low electronegativity, which means the electrons are not strongly attracted to the protons in the nucleus when compared to the electrons in atoms of column 6 or 7. For this reason, group 2 elements easily form +2 ion when in the presence of group 6 or7 elements.
How many valence electrons do atoms have in groups 1 and 2?
group 1...is 1 valence. group 2...is 2 valence.
What group in the periodic table has two valence electrons in their atoms?
The alkaline earth group has two valence electrons.
What is the term for a group of atoms?
If the group of atoms are all the same, it is called a molecule. If the group of atoms are different, it is called a compound, assuming they are bonded in some way. Otherwise, it is just called a group of atoms.
What has 2 elements and 3 atoms?
a molecule with 3 atoms and 2 elements
Which group of elements lose 2 valence electrons when their atoms form ionic Bond?
Group 2
What are the combining ratios of elements in group II with elements in Group VII of the periodic table?
The combining ratio for Group II elements with Group VII elements is 1:2. For example, calcium (Group II) will combine with chlorine (Group VII) to form calcium chloride with a ratio of 1 calcium atom to 2 chlorine atoms.
What is the pattern of outer shell electrons in a group?
In a group, elements have the same number of outer shell electrons, which corresponds to the group number. For example, elements in Group 1 have 1 outer shell electron, elements in Group 2 have 2 outer shell electrons, and so on. This pattern helps determine the reactivity and chemical properties of elements within the same group.
What atoms will have the same chemical properties as those of calcium?
Atoms in the same group as calcium in the periodic table will have similar chemical properties. Elements in group 2, such as strontium and barium, are expected to exhibit similar reactivity due to having the same number of valence electrons.
What isn't the same of elements of group 2?
There are a lot of things that aren't the same of elements in group 2. Probably the main thing is that they all have a different outermost energy level (different atomic radii).
