Answer:
The mass number (represented by the letter A) is defined as the total number of protons and neutrons in an atom. Consider the element helium. Its atomic number is 2, so it has two protons in its nucleus.
The atomic mass of a single atom is simply its total mass and is typically expressed in atomic mass units or amu. By definition, an atom of carbon with six neutrons, carbon-12, has an atomic mass of 12 amu.
The correct answer is D. 88 g
Good Luck!! Hope this helps!! :)
Answer:
Explanation:
The reaction of gaseous sulfur dioxide and oxygen to form SO3 (g) is:
2SO₂(g) + O₂(g) ⇄ 2SO₃(g)
Kp is defined as the ratio of pressure of products and pressure of reactants:
I hope it helps!
Answer:
It is formed when magma is trapped deep inside the Earth.
Explanation:
Intrusive or plutonic, igneous rock forms when magma is trapped deep inside the Earth.
medium grained rocks ( crystal 2mm to 5mm) coarse grained rocks with crystal over 5mm in size.
1 proton, 1 electron, and 2 neutrons
