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Chlorine is a (element / compound) because...

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Chlorine is a (element / compound) because...

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I dont know

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Chlorine is a compound because it has salt, sodium, and chloride

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salt,sodium and chloride.

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Chlorine is an element because it isn't made out of one or two different elements.

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chlorine is a element

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salt, sodium  and chloride.

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it is a elementbecause its not a mixturee

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Chlorine is an element because it isn't made out of one or two different elements.

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Chlorine is a element

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Chlorine is a compound because it has salt, sodium and chloride.

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Chlorine is an element because it isn't made out of one or two different elements.

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chlorine is a compound because its made up of many things

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co2

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it is a compound because its mixed of elements

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chlorine is a element

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It is a compound because it is a mix of elemnts.

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Chlorine is compound

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salt,sodium and chloride

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It's a compound because it's two elements combine

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Chlorine is a compound because it made up of more than one element

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Chlorine is an element because it isn't made out of one or two different elements.

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Sentence Frame: During sublimation, the molecules…

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Sentence Frame: During sublimation, the molecules…

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during sublimation the molecules go from being stuck together to being able to move freely

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first the molecules barely move then move freely

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the molecules go from being stuck together to being able to move

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They go from being together to moving freely

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the molecules go farther away

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The molecules are spreading apart

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they move farther away

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the molecules barley move

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During sublimation, the molecules move freely after being stuck together.

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During sublimation, the molecules move freely after being stuck together.

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during sublimation the molecules go from being stuck together.

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During sublimation the molecules is spreading

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During sublimation the molecules go from being stuck together to being able to move freely.

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the molecules spread freely.

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During sublimation, the molecules move freely after being stuck together.

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The molecules spread apart

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sublimation

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During sublimation , the molecules move apart from each other

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Super close to far

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Solid to gas

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During sublimation the molecules are spreading out

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During sublimation, the molecules move freely after being stuck together.

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Two heat sources that can cause a phase change are…

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Two heat sources that can cause a phase change are…

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Chlorine (CL₂) Chlorine is the chemical element with atomic number 17 and symbol Cl. It is a halogen, found in the periodic table in group 17 (formerly VII, VIIa, or VIIb).

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Sublimation is an endothermic phase transition in which a solid evaporates to a gas. Solids that sublimate have such high vapor pressures that heating leads to a substantial vaporization even before the melting point is reached.

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Solid → LiquidMelting or fusion
Liquid → Gas | Vaporization
Liquid → Solid | Freezing
Gas → Liquid | Condensation
Solid → Gas | Sublimation

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two heat source that can cause a phase change are the sun and fire

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Two heat sources that can cause a phase change are the sun and fire

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Ice and a flamethrower

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Two heat sources that causes phase change are the sun an fire

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water fire

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sun and fire

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sun,fire

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Two heat sources that cause a phase change are flames and sun

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Microwave and stove

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sun and fire

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they move farther away

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Two heat sources that causes phase change are the sun an fire.

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Two heat sources that can cause a phase change are the sun and the stove, which causes fire.

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Two heat sources that can cause a phase change are fire or the sun

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Two heat sources that can cause a phase change are fire or the sun.

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two heat sources that can cause a phase change are sun and fire

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Two heat sources that cause a phase change are flames and sun

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Two heat sources that cause a phase change are flames and sun.

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Sentence Frame: _____ is cooler because…

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Sentence Frame: _____ is cooler because…

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In a solid, the atoms are very attracted to one another. The atoms vibrate but stay in fixed positions because of their strong attractions for one another.

Heating a solid increases the motion of the atoms.

An increase in the motion of the atoms competes with the attraction between atoms and causes them to move a little further apart.

Cooling a solid decreases the motion of the atoms.

A decrease in the motion of the atoms allows the attractions between atoms to bring them a little close together.

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solid metal because become a liquid you need to heat up the metal

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metal

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Metal .

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metal

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metal

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Solid Metal

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Solid metal is cooler because it's not melted

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metal

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METAL

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Metal

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Solid Metal

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metal

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solid metal

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Solid Metal

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Solid metal is cooler because it came from liquid metal, which was cold at first. So when it changes into a solid, it's more colder than the liquid metal.

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solid metal is cooler because its not burning hot, unlike the liquid metal.

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Metal

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Liquid metal

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Solid is cooler because most things are solid

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Solid metal hurts to touch.

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Sentence Frame: To melt chocolate, energy is (added/removed) because…

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Sentence Frame: To melt chocolate, energy is (added/removed) because…

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top melt the chocolate energy is added

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You would need to add energy

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add

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To melt chocolate, energy is added since the molecules get closer.

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Thermal energy flows from your hand into the chocolate bar and it begins to melt. This means that your body (hand) is transferring energy to the chocolate bar causing it to experience a phase change from solid to liquid.

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you add energy

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to melt chocolate energy is added.

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Energy is needed to melt chocolate.