Elements, Compounds and Mixtures (Full Assessment)

elements-compounds-and-mixtures-full-assessment

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Question 1 of 1

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Non metals are usually acidic. (Acidic/Alkaline)

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Explanation

They are usually acidic.

Non metals are usually

(Acidic/Alkaline)

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Sonorous means:

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It is capable of making sound.

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Groups on the Periodic Table...

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Share some properties like melting point and density.

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Impurities affect:

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yeah

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Iron sulphide can be separated easily with magnetic items.

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Explanation

mHmm

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LiCl is:

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Explanation

too lazy to write these explanations move on!!

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A compound's composition is definite - not variable.

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An element is made of one atom that can be broken into smaller and simpler matter.

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Explanation

The correct answer is: An element is made of one atom that cannot be broken.

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A compound is made of two or more elements with difference properties each.

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Explanation

The correct answer: A compound is made of two or more elements with difference properties each.

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Ionic bond is a metallic atom and a non-metallic atom together.

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Explanation

This is true: Ionic bond is a metallic atom and a non-metallic atom together.

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A molecular bond is two non-metallic atoms held by chemical bond.

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Explanation

This is true: A molecular bond is two non-metallic atoms held by chemical bond.

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A mixture is four different substances which are held by chemical bond.

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Explanation

This is incorrect: A mixture is four different substances which are held by chemical bond.

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Elements, Compounds and Mixtures (Full Assessment)

Question 1 of 1

Time Left

Non metals are usually acidic. (Acidic/Alkaline)

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Explanation

Sonorous means:

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Explanation

Groups on the Periodic Table...

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Explanation

Impurities affect:

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Explanation

Iron sulphide can be separated easily with magnetic items.

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Explanation

LiCl is:

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Explanation

A compound's composition is definite - not variable.

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An element is made of one atom that can be broken into smaller and simpler matter.

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Explanation

A compound is made of two or more elements with difference properties each.

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Explanation

Ionic bond is a metallic atom and a non-metallic atom together.

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Explanation

A molecular bond is two non-metallic atoms held by chemical bond.

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Explanation

A mixture is four different substances which are held by chemical bond.

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Explanation

LAST QUESTION GOOD JOB!!!! A mixture's properties are different from its components'.

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