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thats_me

thats_me

Messages
859
Reaction score
360
Points
73
Tekno-M said:
Yes, unreactive metals are noble gases. But as I said before, If you read throughout the answer I gave and the example, you would see that it is not necessary a noble gas, it could be any group, but the two elements must be in the same group.
Click to expand...
Yes they are in the same group but accoring to student 2 if u pick an element from grp0 both of them will be frm same grp i.e grp0 so they'll be unreactive
 
Tekno-M

Tekno-M

Messages
86
Reaction score
9
Points
18
thats_me said:
Yes they are in the same group but accoring to student 2 if u pick an element from grp0 both of them will be frm same grp i.e grp0 so they'll be unreactive
Click to expand...

The given information is that Element Y has 8 more than X, only. So, the students are asked to draw conclusions according to this information. So one student says they MUST be in the same group, and the other says they MUST be unreactive. The second student is obviously incorrect because it can also be in another group and the information given would still be correct.
 
Tekno-M

Tekno-M

Messages
86
Reaction score
9
Points
18
thats_me said:
Alright ..
lets take any element fron grp 0 according to student 2
eg : I take Argon , question says that Atom X (eg: Argon) has 8 more elctrons than Atom Y
The proton number of Argon is 18 which is equal to the number of electron
So, subtract 18-8=10 and check in the periodic table for the element with the proton number 10
Neon has the proton number 10
Now ,Neon and argon are unreactive? Yes! Are they in the same group? Yes!
So your answer is A :)
Click to expand...

The problem here with your answer is that you are asking questions according to the suggested conclusions, no, you should ask questions according to the information given.
 
FATIMAH

FATIMAH

Messages
59
Reaction score
4
Points
18
Tekno-M said:
Because in B, something caused the RATE of population increase to increase, i.e. a limiting factor.
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no but when limiting factor is there , there shuld be a sigmoid curve !! like for our human population there are no limiting factors , its continuosly increasing so the graph for us is like "B"
 
Alool

Alool

Messages
97
Reaction score
84
Points
28
thats_me said:
Alright ..
lets take any element fron grp 0 according to student 2
eg : I take Argon , question says that Atom X (eg: Argon) has 8 more elctrons than Atom Y
The proton number of Argon is 18 which is equal to the number of electron
So, subtract 18-8=10 and check in the periodic table for the element with the proton number 10
Neon has the proton number 10
Now ,Neon and argon are unreactive? Yes! Are they in the same group? Yes!
So your answer is A :)
Click to expand...
wow best explanation ever! Thanks a lot!
 
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