To keep a sled accelerating downhill, the force of gravity must be greater than the normal force. true or false

One of the following properties was originally used to arrange elements on the periodic table, but is no longer used to organize the modern version. which property fits this description?

Determine the number o moles of ions/atoms/particle in the following: 2.50 miles of k2s (let me know how to do)

Complete the sentence. the lower the hydrogen ion concentration, the the ph. higher lower closer to 7 closer to 0