Elements 17a

Who developed the system of using two-letters from an element's Latin name?

• 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

Alchemist who made the distinction between elements and compounds.

• Boyle

• Berzelius

• Aristotle

• Dalton

Demonstrated that water could be decomposed into the elements hydrogen and oxygen.

• Jon Berzelius
• John Dalton
• Robert Boyle
• Antoine-Laurent Lavoisier

Tags

NGSS.HS-PS1-7

Elements represented by chemical symbols are written with

• all lower case letters
• all upper case letters
• first letter upper case, second lower case
• any combination of upper or lower case letters

What determines the identify of an atom?

• atomic mass

• number of protons

• mass number

• number of neutrons

Which of these element symbols comes from it's Latin name ?

• Na

• He

• C

• Mg

Two or more atoms chemically combined

• compound

• molecule

• element

• solid

Tags

NGSS.MS-PS1-1

Two atoms of the same element bonded together

• monatomic

• element number

• diatomic

• compound