Question

Who knows Periodic Table?
On the periodic table, which group contains the noble gases?

Answer 1

@sumanta

Answer 2

http://www.chem4kids.com/files/elem_noblegas.html

Answer 3

its the right side

Answer 4

but which group I cant understand

Answer 5

ok

Answer 6

its extreme right column

Answer 7

I am confused what group though. Do u have someone who knows this?

Answer 8

its found in group 18

Answer 9

it didnt say group 18

Answer 10

yeah thats the problem

Answer 11

oh boy

Answer 12

how is it dividing

Answer 13

18/3?

Answer 14

no

Answer 15

Well i dont know

Answer 16

may be last group I am not sure

Answer 17

everyone thinks it is but yeah it might

Answer 18

:)

Answer 19

:) k12 is hard for me.

Answer 20

ooh thats bad

Answer 21

you can tag me I am there to help

Answer 22

ALWAYSSSSSS

Answer 23

lol ok

Answer 24

Which is a chemical property of iron?

Answer 25

what do you think

Answer 26

options pls

Answer 27

ok

Answer 28

A.
density

B.
conductivity

C.
reactivity

D.
boiling point

Answer 29

its C

Answer 30

ok

Answer 31

need more help.

Answer 32

okay

Answer 33

Which best describes why a physical change differs from a chemical change?

A.
A physical change predicts the behavior of a substance when in a reaction, whereas a chemical change is used to identify characteristics of a substance.

B.
A physical change results in a new substance being formed, and a chemical change results in a different state of matter.

C.
A physical change happens spontaneously, and a chemical change is used by scientists to create new substances.

D.
A physical change will result in a different state of matter, whereas a chemical change results in a new substance being formed.

Answer 34

A physical change will result in a different state of matter, whereas a chemical change results in a new substance being formed.

Answer 35

but C is also right

Answer 36

ok i was right

Answer 37

last one

Answer 38

:)

Answer 39

Which physical properties can be used to identify an unknown material?

Choose all answers that are correct.

A.
weight

B.
thermal conduction

C.
malleability

D.
ability to rust

Answer 40

i think its b and c but i wasnt sure

Answer 41

yeah correct

Answer 42

thank you. what happen if you not online and i need help?

Answer 43

then I dont know :P

Answer 44

I am usually on

Answer 45

except study time

Answer 46

ok can i text you if you not on

Answer 47

what ??

Answer 48

can i text u if you not online like i NEED help

Answer 49

mobile

Answer 50

yes

Answer 51

im sorry if that strange

Answer 52

no its my mom's

Answer 53

oh ok

Answer 54

so no

Answer 55

ok sorry

Answer 56

ok bye got to go.

Answer 57

bye then

Answer 58

which class

Answer 59

wat?

Answer 60

grade

Answer 61

8th

Answer 62

but the questions are easy for 8th standard

Answer 63

we have to difficult questions

Answer 64

sorry too

Answer 65

well im homeschooled

Answer 66

yeah but still

Answer 67

dont you feeling boring

Answer 68

being homeschooled

Answer 69

sometimes what bout you what grade r u?

Answer 70

yeah when I dont see my friends for even one day I feel so bad

Answer 71

same age

Answer 72

wow. i dont have friends but one. im loser in public school

Answer 73

yeah I have 58 friends or more

Answer 74

lol whoa ok my yahoo friends wants to talk to me on yahoo messenger so um bye. if you want to talk to me later you ccan

Answer 75

yeah

Answer 76

ok well my email is phoenixvillebecker26@yahoo.com if you want and on yahoo messenfger

Answer 77

to talk

Answer 78

ok bye!!!!!!!!!