Step 7: Measure the Reaction Rate for a partially Broken Tablet
Using a graduated cylinder, fill a 250 ml beaker with 200 mL of water.
Particle size:
Reaction time:
seconds DONE

What elements have 2 electrons inthe 4s sublevel

What overall charge must all compounds have

Zoe is investigating the composition of substance a, an unknown substance. using chemical processes, she analyzes substance a and determines it is composed of sodium, oxygen, and hydrogen atoms in a ratio of 1 : 1 : 1. what is substance a? a. a compound b. an element c. a heterogeneous mixture d. a homogeneous mixture