Match each of the following elements to its configuration for the highest energy electrons

Potassium = 4s¹

Carbon = 2p²

Sulfur =  3p⁴

Barium =  6s²

Xenon = 5p⁶

Explanation:

1) Potassium is present in group one.

Its electronic configuration is:

K = [Ar]  4s¹

So its highest energy electrons are 4s¹.

2) Carbon is present in group 14.

Its electronic configuration is:

C = [He]  2s² 2p²

So its highest energy electrons are 2p².

3) Sulfur is present in group 16.

Its electronic configuration is:

S = [Ar]  3s² 3p⁴

So its highest energy electrons are 3p⁴.

4) Barium is present in group 2.

Its electronic configuration is:

Ba = [Xe]  6s²

So its highest energy electrons are 6s² .

5) Xenon is present in group 18.

Its electronic configuration is:

Xe= [Kr]  4d¹⁰ 5s² 5p⁶

So its highest energy electrons are 5p⁶

chemical properties are the characteristic of matter which can only be observed by changing the chemical identity of a sample like flammability reactivity and toxicity.

answer: -

reaction:

na + cl ⇌ nacl

balanced chemical equation:

na + 2cl ⇌ nacl2

sodium + clorine goes to form sodium chloride (table salt).

the product is nacl2.

and the reactants are na and cl.

(note: if you don’t know what ⇌ means, read below: -

⇌(double head arrow) means reversible reaction).