3 years ago

What is the relationship between valence electrons and the number of bonds that can be formed?

1 answer:

6 0

<span>Like the previous post states, the number of valence electrons (typically the group number for nonmetals)relates directly to the number of covalent bonds available. Additionally, when you exceed this number you create a cation and when you are less the number of potential bonds, you have created a anion.
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What does it mean if an element is isoelectronic?

jeka57 [31]

Question: What does it mean if an element is isoelectronic?

Answer: Isoelectronic is a term to describe a group of atoms or ions having the same number of electrons

Explanation: they are both the same because they bot have the same number of protons in each atom and they both will have the same always not diffrent its gonna have the same number

question answered by

(jacemorris04)

5 0

3 years ago

Calculate the mass of 9.0x10^17 molecules of He gas at STP

Brrunno [24]

$6,02*10^{23} \ \ \ \ \ \rightarrow \ \ \ \ 4g \ He\\
9,0*10^{17} \ \ \ \ \ \ \rightarrow \ \ \ \ m_{x}\\\\
m_{x}=\frac{9*10^{17}*4g}{6,02*10^{23}}\approx5,98*10^{-6}g$