Arsenic is a naturally occurring element with an atomic number of 33. It has various uses including preventing rotting in wood, treating some cancers, and conducting electricity, though it is most infamous as a lethal poison. Traces of arsenic can also be found in some foods like apples, rice, and shrimp. Historically, some famous cases of arsenic poisoning include the 1933 murders by Blanche Taylor Moore and the suspected poisoning of the racehorse Phar Lap. The document provides basic facts about arsenic's atomic structure and appearance, in addition to its various applications and mentions in news regarding poisoning cases.

1. Arsenic:
Master of Disguise
Isabella King

2. Isabella King

3. Arsenic:
Master of Disguise
Isabella King

4. Arsenic
• Symbol: As
• Atomic Number: 33
• Atomic Mass: 74.922
• Number of Protons: 33(the number of protons is the same as
the number of electrons)
• Color: Grey when in metal form, yellow when in nonmetal
form
• In the upper right is a photo of arsenic burning in air

5. Arsenic Uses
• The most famous use for
arsenic is as a lethal poison,
but did you know that arsenic
is also used to prevent rotting
in wood, to treat cancer
patients, and to conduct
electricity? Also, traces of
arsenic have even been
found in apples, rice, and
seafood, particularly shrimp?
• To the left is a image of pure
metal arsenic in a glass
container.

6. Arsenic in the News
• In 1933, a series of four murders
by arsenic poisoning were
committed by Blanche Taylor
Moore, nicknamed The Black
Widow. Her murders were the
most famous chain of arsenic
murders in modern history
• Also, a Australian racehorse,
Phar Lap, was believed to be
murdered by arsenic poisoning.
• In the upper right is a photograph
of a small tin of arsenic.

8. Special Thanks
• Thanks to Mr Joyner
• Thanks to all the people from whom I
borrowed yellow chalk
• Thanks to the creators and developers of XE:
The Elements app
• Thanks to my parents and family