Answer:
Carbon has four valence electrons in its shell carbon can share electrons with up to four different atoms.
Explanation:
<span>As the number of electrons added to the same principal energy level increases, atomic size generally A. increases.
</span>
<span>Because
as you add energy levels, the electrons are drawn to the nucleus of the atoms giving them a
lesser charge. Thus its atomic size also increases. </span>
Answer: -
C. Electrons
Explanation: -
Most of the space in an atom is empty. Through this space the electrons revolve around the centrally placed nucleus.
Inside the nucleus are present the protons and the neutrons. The nucleus size is very small compared to the rest of the atom.
Electrons carry negative charge, protons are positive and neutrons are neutral.
Answer: Fireworks exploding is a chemical change.
Explanation: Lighting gunpowder, and making the explosion is a chemical change.
Answer:
Explanation:
The pressure of a gaseous mixture is equal to the sum of the partial pressures of the individual gases:
Σ
The prompt is trying to confuse you, but it actually tells us the pressure of the mixture to be 1 atm, but this can be converted to torr. Furthermore, we are informed only three gases are in the mixture: diatomic nitrogen, diatomic oxygen, and carbon dioxide:
Solve for Po2:
Thus, the partial pressure of diatomic oxygen is 177.707 torr.
<u><em>If you liked this solution, hit Thanks or give a Rating!</em></u>
