What type of radiation is likely to occur when the ratio of protons to neutrons is below the band of stability? a. alpha decay b. beta decay c. neutron emission d. positron emission

1. What is light energy converted from in the bulb of a lamp? electric energy sound energy heat energy 2. Which is the best example of an object that converts electric energy to heat energy? lamp toaster radio 3.

If a wave is traveling at a certain speed and its frequency is doubled, what happens to the wavelength

Name 3 sets of elements that have been added to the periodic table since mendeleev's time

After a hypothesis is tested a scientist must do what next?

What are examples of a Theory?

If you walk toward a Van der Graaff generator, the effect of its electric field would get weaker as you got closer to it, true or false.

The volume of a single nickel atom is 8.10*10-24 cm3. what is the volume of a nickel atom in microliters?

A college student driving to classes produces 8000 kg of carbon dioxide (CO2) in a year, contributing to global warming. What volume of CO2 is produced? (The density of carbon dioxide is 2.0 g/L.)

For the first five steps of glycolysis, the appropriate sequence of enzymes is: A. phosphofructokinase-1 (PFK-1). B. hexokinase / glucokinase. C. fructose bisphosphate aldolase. D. Phosphoglucoisomerase. E. triose phosphate isomerase (TPI). a.

2NO + O2 → 2NO2 What type of chemical reaction is shown above? a combustion reaction b double displacement C synthesis d decomposition e single displacement