Elements 4a

Who came up with the idea to use two letters from an element's Latin name for its symbol?

• John Dalton

• Jons Berzelius

• Robert Boyle

• Dmitiri Mendeleev

Aristotle's theory of four elements included earth, air, water, and ___________

• space

• fire

• spirit

• light

Alchemy is...

• combination of chemistry, metallurgy, medicine, and magic

• exact same thing as chemistry

• a popular but fictitious idea from Japanese anime

• using magic to change lesser metals into gold

Which alchemist first explained the difference between elements and compounds?

• Boyle

• Berzelius

• Aristotle

• Dalton

Showed that water can be split into hydrogen and oxygen.

• Jon Berzelius

• John Dalton

• Robert Boyle

• Antoine-Laurent Lavoisier

Tags

NGSS.HS-PS1-7

How should chemical symbols for elements be written?

• all lower case letters

• all upper case letters

• first letter upper case, second lower case

• any combination of upper or lower case letters

What decides what kind of atom it is?

• atomic mass

• number of protons

• mass number

• number of neutrons

Which of these element symbols comes from its Latin name?

• Na

• He

• C

• Mg

What do you call two or more atoms that are joined together?

• compound

• molecule

• element

• solid

Tags

NGSS.MS-PS1-1

What do you call it when two atoms of the same element join together?

• monatomic

• element number

• diatomic

• compound