True or false a surface wave moves the medium in the same direction as the wave travels

How many atoms are in each of the following? a) 1.0g of hydrogen atoms, each of mass 1.0u b) 12.0g of carbon atoms, each of mass 12.0u c) 23.0g of sodium atoms, each of mass 23.0u

Match these items. 1. g measurement of mass 2. m. measurement of area 3. mL. measurement of volume 4. km. measurement of length

A neutron has a charge of (1) + 1 (2) + 2 (3) 0 (4) - 1

A sample of rainwater is tested with the indicator bromothymol blue and it turns yellow. What is most likely PH of rainwater? 4,7,10or 14?

Why is it more difficult to breathe at high altitudes rather than low

How many moles of barium hydroxide, Ba (OH2), would be required to react with 117 g hydrogen bromide, HBr?

Which carbon compound is soft, slippery, a decent electricity conductor, and bonded in a way that forms planes? coal petroleum graphite

Which of the following describes chemical properties

What's nuclear decay

When is a hurricane nears land, causes the most damage?