Chemicals

[Intro]
e|-----------------------|
B|-------------18-----20-|
G|-10-----12---15-----17-|
D|-8------10---17-----19-|(x8)
A|-10-----12---15-----17-|
E|-----------------------|

[Main riff]
                                       (x6)
e|-------------------------------------|
B|-------------------------------------|
G|-----5----5-----7------3----------10-|
D|---3----------5------1----------8----|
A|-5-----5----7------3-----3--/10------|
E|-------------------------------------|

[Verse]
                                          (x4)
e|----------------------------------------|
B|----------------------------------------|
G|-5-5-5-5--5--7--7-7--3-3-3--3-10--10-10-|
D|-3-3-3-3--3--5--5-5--1-1-1--1-8---8--8--|
A|-5-5-5-5--5--7--7-7--3-3-3--3-10--10-10-|
E|----------------------------------------|

above may not be exact strumming pattern. Just listen and strum along
[Chorus]
                                       (x4)
e|-------------------------------------|
B|-------------------------------------|
G|-----5----5-----7------3----------10-|
D|---3----------5------1----------8----|
A|-5-----5----7------3-----3--/10------|
E|-------------------------------------|

[Verse]
                                          (x4)
e|----------------------------------------|
B|----------------------------------------|
G|-5-5-5-5--5--7--7-7--3-3-3--3-10--10-10-|
D|-3-3-3-3--3--5--5-5--1-1-1--1-8---8--8--|
A|-5-5-5-5--5--7--7-7--3-3-3--3-10--10-10-|
E|----------------------------------------|

[Chorus]
                                       (x4)
e|-------------------------------------|
B|-------------------------------------|
G|-----5----5-----7------3----------10-|
D|---3----------5------1----------8----|
A|-5-----5----7------3-----3--/10------|
E|-------------------------------------|

[Break]
(no guitar)

[Main riff]
                                       (x8)
e|-------------------------------------|
B|-------------------------------------|
G|-----5----5-----7------3----------10-|
D|---3----------5------1----------8----|
A|-5-----5----7------3-----3--/10------|
E|-------------------------------------|

                                       (x4)
e|-------------------------------------|
B|-------------------------------------|
G|-----5----5-----7------3----------10-|
D|---3----------5------1----------8----|
A|-5-----5----7------3-----3--/10------|
E|-------------------------------------|

[Main riff]
                                       (x4)
e|-------------------------------------|
B|-------------------------------------|
G|-----5----5-----7------3----------10-|
D|---3----------5------1----------8----|
A|-5-----5----7------3-----3--/10------|
E|-------------------------------------|