A solid.
As you slowly go from the solid state to the gas, the molecules within spread farther and farther away.
Answer:
The answer to your question is letter D
Explanation:
Data
mass of Li = 4.5 g
mass of N₂ = 4.5 g
limiting reactant = ?
Reaction
6Li (s) + N₂ (g) ⇒ 2Li₃N
This reaction is balanced
Process
1.- Calculate the molecular mass of the reactants
Li = 7 x 6 = 42g
N = 14 x 2 = 28 g
Calculate the limiting reactant using proportions
Theoretical proportion Li / N = 42 / 28 = 1.5
Experimental proportion Li/N = 4.5/4.5 = 1
As the experimental proportion was lower than the theoretical, the limiting reactant is Lithium
2.- Calculate the theoretical yield of Li₃N
42 g of lithium -------------- 70 g of Li₃N
4.5 g of lithium ------------- x
x = (4.5 x 70) / 42
x = 315 / 42
<u> x = 7.5 %</u>
I think it's B. Molecules collide more frequently
Subatomic particles are those particles which are smaller than the atom such as electrons, protons and neutrons.
Protons are positively charged particle whereas electrons are negatively charged particle with same magnitude.
Neutrons have about the similar mass as protons but without any electric charge (neutral).
The false statement for the subatomic particles are that some atoms don't have protons: All atoms contains three subatomic particles. Every atom must have protons otherwise atom doesn't exist.
The another false statement for the subatomic particles that the protons (positively charge) and neutrons (neutral) have charges of the same magnitude.
Divide the error by the exact or ideal value (i.e., not your experimental or measured value). This will give you a decimal number. Convert the decimal number into a percentage by multiplying it by 100. Add a percent or % symbol to report your percent error value.