Answer:
Electrons are the only subatomic particles that have a negative charge.
1. Ge
2. Fe
3. Zn
Remember, electronegativity decreases down a group (vertically) and increases across a period (horizontally) on the periodic table. :)
Hey there!
10 moles will be produced.
In H₂ there are 2 hydrogen atoms. In NH₃ there is 1 hydrogen atom.
So, there will be twice as many moles of NH₃ because there will be twice as many molecules.
Hope this helps!
The bond is ionic because Na+ gave Cl- an electronic.
Giving electrons is ionic and sharing is covalent.
Answer:
Holly observes that the ice pack becomes colder when she activates it.
Explanation:
She infers that the process of the urea dissolving in water is endothermic.