Java Games: Flashcards, matching, concentration, and word search.

Water Consentration

Match the answers to the questions.

AB
Who discovered oxygen?Joseph Priestly and Carl Scheele
What year was oxygen discovered?1774
What is the standard state of oxygen?gas
What element is the most abundant in the universe?hydrogen
Who discovered hydrogen?Henry Cavendish
When was hydrogen discovered?1766
Hydrogen is the what gas?lightest
What is the atomic number of oxygen?8
Is oxygen a metal or nonmetal?nonmetal


CHRIS

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