How did early chemists determine which substances were elements?
a. by observing chemical re...
Chemistry, 24.08.2019 13:30 Janznznz4012
How did early chemists determine which substances were elements?
a. by observing chemical reactions
b. by finding the atomic mass
c. by counting neutrons
d. by counting protons
Answers: 2
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Surface currents are caused by blank space . question 14 options: surface currents are caused by? differences in water temperature high salinity differences in density wind forces
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Which of the following is not one of the steps in the scientific method a. hypothesize b. summarize c. analyze d. familiarize
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Suppose that a certain fortunate person has a net worth of $71.0 billion ($7.10Ă—1010). if her stock has a good year and gains $3.20 billion (3.20Ă—109) in value, what is her new net worth?
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