A small atomic radius
Explanation:
Elements like calcium located towards the top of a group have high attraction for their valence electrons because they have a small atomic radius.
The farther electrons are from the nucleus the lesser the attraction from the nucleus on them.
Atomic radius is taken as half of the internuclear distance between two covalently bonded atoms of non-metallic atoms or half the distance between two nuclei in the solid state between metals.
The smaller the atomic radius the greater the pull of the valence electrons in an atom.
Down the group, atomic radius increases due addition of new electronic shells.
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Effective nuclear charge brainly.com/question/5441986
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Strontium sulfide react with aqueus copper(ii) nitrate to form strontium (ii)nitrate and copper sulfide. the chemical equation is represented as follows
SrSO4(S) plus CU(NO3)2(aq) -->Sr(NO3)2(aq) PLUS CUSO4(s
the equation is balanced since both cupper and strontium have a valence of two.
Answer:
it stays the same i think
Explanation:
Ammonia is the base out of the 4