According to the Lewis dot structure shown here, how many valence electrons does chlorine have?

What is an indicator? name some examples of pH indicators and their specific uses. (at least 4)

How can you use the chemical formulas for sucrose (C6H, 20,) and rust (Fe, O,) to classity them ionic or molecular compounds?

How many atoms are in 3.690 moles of oxygen

What is the universe made of?

2. Make and justify a claim about whether iron rusting when exposed to water vapor is a physical or chemical property. 3. Make and justify a claim about whether iron being shiny/lustrous a physical or chemical property.

A crane lifts a cargo box 10 m off the ground. If the crane lifts the cargo box twice as high, the potential energy will increase by

What is the main purpose of a particle accelerator?

Is this statement true or false? Bases feel slippery. A. True B. False

why blue intensity of copper (2) sulphate will decrease in a voltaic cell with zinc electrode in zinc sulphate solution and copper 2sulphate solution with copper electrode in it (with salt bridge)

What is the charge for MnO4