Is potassium smaller or larger than a sodium ion

Question about thermodynamics

A stone is tied to a 0.85-meter cord. it is swung in a circle at a constant rate of 6.0 m/s. what is the centripetal acceleration of the stone? 42 m/s2 7.1 m/s2 0.14 m/s2 5.1 m/s2

What mass of water is needed to react with 32.9 g lithium nitride

The molecular clock theory uses genetic traits to estimate how long ago various groups of organisms diverged evolutionarily from one another. Which of the following statements explains why this is considered to be a theory?

A sample of wine consists of water, sugar, some amount of ethyl alcohol, and grape juice. These ingredients blend together uniformly to give clear and tasty wine.

Where are alkaline earth metals found on the periodic table

IKI will turn deep purple in the presence of starch. Which term is applied to IKI in this situation? A. indicator B. litmus C. modifier D. product

How many electrons are in the 2p sublevel of nitrogen?

Which answer choice correctly lists the elements found in Period 2 of the periodic table? A. oxygen, fluorine, neon B. sodium, magnesium, aluminum C. nitrogen, phosphorus, arsenic D. beryllium, magnesium, calcium

Write the chemical formula for each compound described. a) barium chloride (1 Ba ion, 2 Cl ion)