Which of the following represents the relative charge of proton

1) these are barrel shaped microtubules in most animal cells, that organize the spindles during cell division

What does x represent in the formula for the compound xcl4?

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