anonymous
  • anonymous
How does a lone pair distort the molecular shape? A. The lone pair pushes bonding atoms closer to the nucleus. B. The lone pair forces bonding atoms away from itself. C. The lone pair makes new bonds, changing the molecule's shape. D. The lone pair forces bonding atoms farther from the nucleus.
Chemistry
  • Stacey Warren - Expert brainly.com
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SOLVED
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katieb
  • katieb
I got my questions answered at brainly.com in under 10 minutes. Go to brainly.com now for free help!
anonymous
  • anonymous
@robtobey
anonymous
  • anonymous
@caozeyuan ??
caozeyuan
  • caozeyuan
let me think

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More answers

caozeyuan
  • caozeyuan
C is wrong right off
anonymous
  • anonymous
B?or A?
caozeyuan
  • caozeyuan
I would say B because lone pair repose other electrons
caozeyuan
  • caozeyuan
so bonging electrons are further away
anonymous
  • anonymous
i was thinking the same thing
caozeyuan
  • caozeyuan
think about CO2 vs H2O
anonymous
  • anonymous
have time for a couple more?
caozeyuan
  • caozeyuan
Yep
anonymous
  • anonymous
Which of the following elements has the smallest atomic radius? A. Ge B. As C. Br D. Se
caozeyuan
  • caozeyuan
Ra is small if atom is to the right and up
anonymous
  • anonymous
doesnt it go from right to left?
caozeyuan
  • caozeyuan
No, because on the same row, the shell size is same but nuclear attraction is higher to the right, so radius smaller to the right
anonymous
  • anonymous
so which do u think
caozeyuan
  • caozeyuan
Br, it is further to right
anonymous
  • anonymous
ohhh i think i see it now
anonymous
  • anonymous
on the table
anonymous
  • anonymous
Which of the following has the largest radius? A. Na+ B. Na C. K D. K+
anonymous
  • anonymous
A?
caozeyuan
  • caozeyuan
for cations, the ion is smaller than the corresponding atom
caozeyuan
  • caozeyuan
because electron is lost
caozeyuan
  • caozeyuan
So K?
anonymous
  • anonymous
what does the + mean?
caozeyuan
  • caozeyuan
positive charge
anonymous
  • anonymous
so K
caozeyuan
  • caozeyuan
Yep, should be right
anonymous
  • anonymous
How should more than one polyatomic ion be indicated in a chemical formula? A. Put a number in front of the polyatomic ion in the chemical formula B. Put parentheses around the atoms in the ion and then add a subscript C. Put a roman numeral in parentheses after the polyatomic ion D. Put a prefix in front of the polyatomic ion in the chemical formula
anonymous
  • anonymous
B?
caozeyuan
  • caozeyuan
more than one, you mean number?
caozeyuan
  • caozeyuan
like\[2SO _{4}^{2-}\]
anonymous
  • anonymous
i guess so, im just as curious as u r
caozeyuan
  • caozeyuan
You should ask for clarification, is the question talking about number of ions or the oxidation state of an atom
caozeyuan
  • caozeyuan
I am pretty sure it is the former
anonymous
  • anonymous
the website that my school uses is dumb
anonymous
  • anonymous
what do u think it would be?
caozeyuan
  • caozeyuan
did your teacher talked about atoms with more than one oxidation number?
anonymous
  • anonymous
and my teacher dont even know so i dont even ask them for help. so im stuck using this and google
anonymous
  • anonymous
asking my teachers gave me a worse score
caozeyuan
  • caozeyuan
I would go with A
anonymous
  • anonymous
ill trust you more than them
anonymous
  • anonymous
Which of the following is a binary compound? A. H2SO4 B. O2- C. NH4+ D. CaO
caozeyuan
  • caozeyuan
Binary means exactly two atoms
caozeyuan
  • caozeyuan
compound means no charge, so the answer is ...
anonymous
  • anonymous
A?
caozeyuan
  • caozeyuan
Nope,one strike, try again
anonymous
  • anonymous
D?
caozeyuan
  • caozeyuan
Great!
anonymous
  • anonymous
i have 1 more
anonymous
  • anonymous
Which of the following molecules or ions has a trigonal planar shape? A. H2S B. ClO4- C. PCl5 D. SO3
anonymous
  • anonymous
D?
caozeyuan
  • caozeyuan
yep, I agree
anonymous
  • anonymous
ayee i got a 96! thank you
anonymous
  • anonymous
How should more than one polyatomic ion be indicated in a chemical formula? A. Put a number in front of the polyatomic ion in the chemical formula B. Put parentheses around the atoms in the ion and then add a subscript C. Put a roman numeral in parentheses after the polyatomic ion D. Put a prefix in front of the polyatomic ion in the chemical formula
anonymous
  • anonymous
thats the only one we got wrong
caozeyuan
  • caozeyuan
NO flutterING WAY! why not 100? you have the smartest guy in the world tutoring you!
anonymous
  • anonymous
lol thats what im saying
caozeyuan
  • caozeyuan
Well, go with C then B and D are just stupid, this question is too ambiguous
anonymous
  • anonymous
for real F that question
anonymous
  • anonymous
i really appreciate the help. i wont bug u for anymore
caozeyuan
  • caozeyuan
np, just tag me if you don't want to screw up in the future
anonymous
  • anonymous
ok thanks

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