What is the pH when the hydrogen ion concentration is 1 x 10-3 M? O a. 3.3
O b. 4
O c. 2.7
O d. 2
O e. 3

Naoki's bicycle has a mass of 10 kg. if naoki sits on her bicycle and starts pedaling with a force of 168 n, causing an acceleration of 2.8 m/s2, what is naoki's mass?

If a polyatomic ionic compound has gained two hydrogen ions, then how does its name begin?

Astable electron arrangement for an atom is one that does not easily change. how is this arrangement arrived at? a. valence electrons are transferred or shared to create a full outer shell of electrons. b. valence electrons are discarded into space to create a full outer shell of electrons. c. protons (positive charge) pair with valence electrons (negative charge) to create a strong bond. d. outer shells with valence electrons are transferred or shared.