Match the term with the definition. match term definition condensation a) a phase change from a liquid to a solid evaporation b) a phase change from a liquid to a gas sublimation c) a phase change from a solid to a gas freezing d) a phase change from a gas to a liquid

freezing is a phase change from liquid to solid

evaporation is a phase change from liquid to gas

sublimation is a phase change from solid to gas

condensation is a phase change from gas to liquid

MASHA ALLAH

Explanation:

Condensation is defined as the process in which vapor or gaseous state of a substance changes into liquid state.

Evaporation is defined as the process in which liquid state of a substance changes into gaseous state.

Sublimation is defined as the process in which a solid substance directly changes into gaseous state without undergoing liquid state.

Freezing is defined as the process in which liquid state of a substance changes into solid state.

Therefore, the given terms are matched as follows.

8

explanation:

each principal energy level above the first contains one s orbital and three p orbitals. a set of three p orbitals, called the p sublevel, can hold a maximum of six electrons. therefore, the second level can contain a maximum of eight electrons - that is, two in the s orbital and 6 in the three p orbitals.

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number of molecules / avogadro's number * molecule molecular = mass

explanation:

we define a gram-molecular weight as the mass of one mole of any element or compound. a mole contains avogadro's number of units (molecules) –  

6.022

x

10

23

. so, dividing the number of molecules by avogadro's number gives us the number of moles. multiplying that by the molecular weight gives us the mass. from the periodic table we find the gram-molecular weight of u to be238 and of f to be19. so,  

u

f

6

will have a gram-molecular weight of 352g.