Who is credited with creating the first periodic table? Johann Dobereiner Henry Moseley Dmitri Mendeleev John Newlands

How many grams of H2O are formed from 7.8 grams of O2?

What is the ratio between the coefficients of any two substances in a balanced equation?

Some people are so good at their professions that other companies will try to recruit them?

Lithification is the process of converting sediments into solid rock through compaction and cementation. true or false

Ira is working in a lab with a unknown solution. When he inserts the electrical conductivity tester in the unknown, the bulb begins to glow brightly. Which of these would BEST describe the unknown liquid?

When you measure something in meters cubed, you are measuring

Low density: low pressure: high density Is which. evaporation? water vapor? condensation / liquid water

Which structures are found on sponges? pores medusae polyps stinging cells

Coefficients in a chemical equation are used to: balance the number of atoms on both sides of the equation ensure that all subscripts on both sides of the equation are the same indicate energy changes that occur during the reaction indicate the type

What determines your blood cholesterol level?