3 years ago

Does metals replace nonmetals in a compound

2 answers:

7 0

Answer:

A metal only replaces a metal, and a nonmetal only replaces a nonmetal. Only a more reactive element can replace the other element in the compound with which it reacts.

OverLord2011 [107]3 years ago

4 0

The person above is 100% correct

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An element has an atomic number of 22 what is the total number of valance electrons?

yuradex [85]

The Valance Electorns is 4

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3 years ago

How many lone pairs are in SO4 2-

s344n2d4d5 [400]

Answer:

None

Explanation:

There are two S=O. bonds and two S-O bonds in sulfate ion lewis structure. Sulfur atom is the center atom and four oxygen atoms are located around sulfur atom. There are no lone pairs in the last shell of sulfur atom.

7 0

3 years ago

PLS HELP ASAP i really need an answer a correct one

nata0808 [166]

Answer: 67.23 L

Explanation:

According to avogadro's law, 1 mole of every substance occupies 22.4 L at STP and contains avogadro's number $6.023\times 10^{23}$ of particles.