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#1: Which element has the same number of valence electrons as hydrogen (H)?
A. helium (He)
B. oxygen (O)
C. nitrogen (N)
D. lithium (Li)
***my answer: D. lithium (Li)
is that right?
 one year ago
 one year ago
#1: Which element has the same number of valence electrons as hydrogen (H)? A. helium (He) B. oxygen (O) C. nitrogen (N) D. lithium (Li) ***my answer: D. lithium (Li) is that right?
 one year ago
 one year ago

This Question is Closed

jim_thompson5910Best ResponseYou've already chosen the best response.1
Li is in group 1, so that sounds right
 one year ago

iheartfoodBest ResponseYou've already chosen the best response.1
#2: What happens to the atomic size of the elements as one goes from the bottom to the top of a group? A. Atomic size stays the same as one moves from bottom to top in a group. B. Atomic size decreases as one moves from bottom to top in a group. C. Atomic size increases as one moves from bottom to top in a group. D. Atomic size changes randomly as one moves from bottom to top in a group. **my answer: C. is that right??
 one year ago

iheartfoodBest ResponseYou've already chosen the best response.1
and okay yay :) for #1!!
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
bottom = heavier elements top = lighter elements (think of it as like the heavy stuff floats to the bottom of the pool while the light/lighter stuff floats to the top) so as you go from bottom > top, the size decreases
 one year ago

iheartfoodBest ResponseYou've already chosen the best response.1
so my answer is right for #2?? it is C?
 one year ago

iheartfoodBest ResponseYou've already chosen the best response.1
and #3: Which of the following places the elements in the correct order of increasing first ionization energy? A. Be, Mg, Ca B. Cl, S, P C. P, S, Cl D. F, O, N ***I don't get this one :( please explain! :)
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
no, bottom > top means big > small
 one year ago

iheartfoodBest ResponseYou've already chosen the best response.1
so which answer was that?
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
it's not C because it's not increasing
 one year ago

iheartfoodBest ResponseYou've already chosen the best response.1
so my answer to #2 is this? B. Atomic size decreases as one moves from bottom to top in a group. ??
 one year ago

iheartfoodBest ResponseYou've already chosen the best response.1
okay and what about #3? lemme repost it so its easier :P
 one year ago

iheartfoodBest ResponseYou've already chosen the best response.1
#3: Which of the following places the elements in the correct order of increasing first ionization energy? A. Be, Mg, Ca B. Cl, S, P C. P, S, Cl D. F, O, N ***I don't get this one :( please explain! :)
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
have a look at this site http://www.shodor.org/chemviz/ionization/students/background.html
 one year ago

iheartfoodBest ResponseYou've already chosen the best response.1
idk still... i use the equation?
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
no look at the chart
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
of ionization energies
 one year ago

iheartfoodBest ResponseYou've already chosen the best response.1
oaky so bottom to top, left to right?
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
yeah it looks it
 one year ago

iheartfoodBest ResponseYou've already chosen the best response.1
okay, so my answer is C. P, S, Cl ??
 one year ago

iheartfoodBest ResponseYou've already chosen the best response.1
it goes left to right in the periodic table.. :/ is that the answer?
 one year ago

jim_thompson5910Best ResponseYou've already chosen the best response.1
looks perfect
 one year ago
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