Are rocks on Earth's surface stable? What might cause rocks to change? Explain your reasoning.

If there is a loss of 4.36 * 10-5 g of mass in a nuclear reaction, how many kJ of energy would be released? Recall that c = 3 * 108 m/s.

Does the amount of Borax added change the slime?

Why do the gases on the periodic table tend to form negative ions?

How much heat is evolved when 1260 g of water condenses to a liquid at 100.°C?

What is the difference between primary and secondary pollutants?

Which statement is true for a pure compound but NOT true for a pure element?

Which one is uncelluar and which is multicelluar? crab or pond organism

An atom of lithium loses an electron. What is the effect of this event? Group of answer choices The atom of a different element is formed. The atom of lithium acquires no charge. The atom of lithium becomes a positively charged ion.

Water interacts with polar substances like - OH groups but not with non-polar substances like methyl (-CH3) or ethyl groups (-CH2). Using this information, select the molecules that will easily dissolve in water based on polarity not on size.

Which of the following statements is not considered weather? The wind is blowing 20 miles per hour right now in Kansas. It is raining in Seattle. It is usually humid in Florida. It is snowing in Colorado.