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Which region on the periodic table has a full octet?

Which region on the periodic table has a full octet?

The Group 8A elements have a full octet of eight valence electrons in their highest-energy orbitals (ns2np6), so these elements have very little tendency to gain or lose electrons to form ions, or share electrons with other elements in covalent bonds.

Which element is in Period 3 of the table?

The third period contains eight elements: sodium, magnesium, aluminium, silicon, phosphorus, sulfur, chlorine, and argon. The first two, sodium and magnesium, are members of the s-block of the periodic table, while the others are members of the p-block.

What do all elements in Period 3 have?

The period determines the number of electrons shells. For example, all elements in the 3rd period contain 3 electron shells.

Does Period 3 have 5 valence electrons?

Explanation: The elements of group 15 (column) VA of the periodic table all have electron configurations of s2p3 , giving them five valence electrons. These elements include Nitrogen (N), Phosphorus (P), Arsenic (As), Antimony (Sb) and Bismuth (Bi).

Which group has elements that have a 3 charge?

The main-group metals usually form charges that are the same as their group number: that is, the Group 1A metals such as sodium and potassium form +1 charges, the Group 2A metals such as magnesium and calcium form 2+ charges, and the Group 3A metals such as aluminum form 3+ charges.

What element is in period 3 Group 3?

Group 3A. Group 3A (or IIIA) of the periodic table includes the metalloid boron (B), as well as the metals aluminum (Al), gallium (Ga), indium (In), and thallium (Tl).

Which element in period 3 has the largest atomic radius?

Atomic radius decreases from left to right within a period. This is caused by the increase in the number of protons and electrons across a period.

  • Considering this trend Sodium is having a highest atomic radius in 3rd period.

    • What element is in period 3 Group 13?

    boron group
    boron group element, any of the six chemical elements constituting Group 13 (IIIa) of the periodic table. The elements are boron (B), aluminum (Al), gallium (Ga), indium (In), thallium (Tl), and nihonium (Nh).

    What element has 3 energy levels and 3 valence electrons?

    BORON FAMILY: All have 3 VALENCE ELECTRONS (electrons in the outer energy level) Boron is a METALLOID. The rest are metals.