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Chemistry Help!!!!!

 
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Chemgirl01



Joined: 25 Jun 2005
Posts: 2

PostPosted: Sat Jun 25, 2005 6:32 pm    Post subject: Chemistry Help!!!!! Reply with quote

Can anyone help me with these questions! Thank you!

2. Select atom with highest electronegativity.
a) O b) P

3. Select atom with lowest ionization energy.
a) Rb b) K

4. Select atom w/ highest chemica reactivity.
a) Ca b) Ba

5. Calculate the % ionic character of a chemical bond between magnesium & nitrogen.
a) 51% b) 49% c) 47% d) 55%

6. Calculate % covalent character of a chemical bond between chlorine & sodium.
a) 34% b) 30% c) 36% d) 70%
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Dinah



Joined: 21 May 2005
Posts: 52
Location: China

PostPosted: Tue Aug 09, 2005 5:33 am    Post subject: Reply with quote

K Ca Na Mg Al Zn Fe Sn Pb (H) Cu Hg Ag Pt Au
hige active low active
Zn +2HCl=H2+ZnCl2
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String



Joined: 07 Apr 2009
Posts: 28

PostPosted: Fri Apr 10, 2009 7:25 am    Post subject: Re: Chemistry Help!!!!! Reply with quote

Chemgirl01 wrote:
Can anyone help me with these questions! Thank you!

2. Select atom with highest electronegativity.
a) O b) P

3. Select atom with lowest ionization energy.
a) Rb b) K

4. Select atom w/ highest chemica reactivity.
a) Ca b) Ba

5. Calculate the % ionic character of a chemical bond between magnesium & nitrogen.
a) 51% b) 49% c) 47% d) 55%

6. Calculate % covalent character of a chemical bond between chlorine & sodium.
a) 34% b) 30% c) 36% d) 70%


Here is your Answer
Q2 (O)
Q3(Rb)
Q4(Ba)
Q5(55%)
Q6(30%)
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