Atomic number.
The atomic number is what defines the element.
The mass is 5kg
I hope this helps
the answer is d
because the reverse reaction is slow
- The substance that made up of a particular mixture can be regarded as Solute and solvent
- A mixture can be regarded as material which is made up of more than one different Chemical substance or substances , whereby they are not chemically combined.
- Substance could be any matter such as <em>salt, rice, and or compounds</em>
- A mixture can be regarded as physical combination involving two or more substances whereby each entities identities are retained, then mixed in the form such as ;
- <em>solutions</em>
- <em> suspensions </em>
- <em> colloids</em>.
- A mixture could be in this form <em>(Solute + solvent = solution)</em>
Therefore, the substance that made up of a particular mixture can be regarded as <em>Solute and solvent</em>
Learn more at: brainly.com/question/18569341
s orbitals have a spherical shape along 3 axes. Fun fact: s orbitals form sigma binds xD