The first periodic table developed by mendeleev was not completely accurate, but was a great step toward accomplishing the periodic table of elements we use today. explain how the modern periodic table is credible today because of mendeleev’s work.

Which real-world scenarios below represent physical and chemical changes? -running a car -exploding fireworks -mixing water and powdered drink mix -combining oil and vinegar to make salad dressing -taking aspirin for a headache -diluting bleach with water-digesting dinner-spreading peanut butter on bread

How many grams of n2h4 will be consumed by 23 g of n2o4

Apush or pull that moves or changes and object when to objects touch