Which of the following would most likely contain a fossil?

intrusive igneous rock

extrusive igneous rock

chemical sedimentary rock

organic sedimentary rock

What is the pOH of a 0.00037 M solution of barium hydroxide

What is the formula for the compound formed by lead (lV) ions and chromate ions

1) If calcium were to combine with the compound barium nitrate, which member of the barium nitrate would calcium replace?

Ajay likes to eat a lot chocolate. His sister Anita asks him to brush his teeth before going to sleep in the night every day. Ajay says brushing the teeth in the morning is enough. (i) Who is correct? Why? Justify. (ii) What is the value displayed

What do elements in the same group in the periodic table have in common

What term is used to describe a testable modle

When the equation for the combustion of ethane, C2H6, is correctly balanced, the coefficient on oxygen is:

Sahil watched a demonstration in which a scientist combined two substances in a sealed container and analyzed the results. the ending substances did not look the same as the starting substances.

How many molecules of H2S are required to form 79.0 g of sulfur

How many grams of potassium iodide, KI, are required to make 2.0 L of a 0.1M solution