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iheartfood
 2 years 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?
iheartfood
 2 years 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?

This Question is Closed

jim_thompson5910
 2 years ago
Best ResponseYou've already chosen the best response.1Li is in group 1, so that sounds right

iheartfood
 2 years ago
Best 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??

iheartfood
 2 years ago
Best ResponseYou've already chosen the best response.1and okay yay :) for #1!!

jim_thompson5910
 2 years ago
Best ResponseYou've already chosen the best response.1bottom = 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

iheartfood
 2 years ago
Best ResponseYou've already chosen the best response.1so my answer is right for #2?? it is C?

iheartfood
 2 years ago
Best ResponseYou've already chosen the best response.1and #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! :)

jim_thompson5910
 2 years ago
Best ResponseYou've already chosen the best response.1no, bottom > top means big > small

iheartfood
 2 years ago
Best ResponseYou've already chosen the best response.1so which answer was that?

jim_thompson5910
 2 years ago
Best ResponseYou've already chosen the best response.1it's not C because it's not increasing

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

iheartfood
 2 years ago
Best ResponseYou've already chosen the best response.1okay and what about #3? lemme repost it so its easier :P

iheartfood
 2 years ago
Best 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! :)

jim_thompson5910
 2 years ago
Best ResponseYou've already chosen the best response.1have a look at this site http://www.shodor.org/chemviz/ionization/students/background.html

iheartfood
 2 years ago
Best ResponseYou've already chosen the best response.1idk still... i use the equation?

jim_thompson5910
 2 years ago
Best ResponseYou've already chosen the best response.1no look at the chart

jim_thompson5910
 2 years ago
Best ResponseYou've already chosen the best response.1of ionization energies

iheartfood
 2 years ago
Best ResponseYou've already chosen the best response.1oaky so bottom to top, left to right?

jim_thompson5910
 2 years ago
Best ResponseYou've already chosen the best response.1yeah it looks it

iheartfood
 2 years ago
Best ResponseYou've already chosen the best response.1okay, so my answer is C. P, S, Cl ??

iheartfood
 2 years ago
Best ResponseYou've already chosen the best response.1it goes left to right in the periodic table.. :/ is that the answer?
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