Question

Sort these elements into pairs that would most likely exhibit similar chemical properties.

Te,K,Kr,Li,Ne,S

Answer 1

We need to look at the periodic table for this

Answer 2

@Kimes the elements that would be grouped together must be arranged according to their properties but also their number of valence electrons. elements that have the same number of valence electrons are more likely to have similar properties and be in the same groups.

Neon, Ne and Krypton Kr, would be grouped together because they are both found in group 8 of the periodic table; they are noble gases.

While potassium and lithium would be in the same pair because they both appear in group one. these elements have 1 valence electrons so they are going to have similar properties. they also react violently with water.

Sulphur, S and Te. would be in the same group, because they have 6 valence electrons.

Answer 3

that makes so much sense, thank you!!!

Answer 4

Absolutely I recommend that you look at an interactive periodic table, because those will give you the elements, their properties etc. the groups the vertical columns in the periodic table, the elements in those vertical columns all have the same chemical properties and you'll notice they have the same number of valence electrons.

I.E. Valence electrons are the most important because they are the farthest away form the nucleus and thus the least tightly bound.

Answer 5

I have it in my book, I guess I just misinterpreted it

Answer 6

Remember the reactivity is based on the fact that all elements want to have a configuration of the noble gases, I.E. a filled valence shell with 8 electrons.

elements, depending on where they are in the table will either lose or gain electrons to have a filled valence shell. FYI that's called octet