3 years ago

Outline the difference between compounds and mixtures. State two examples of each.

Chemistry

1 answer:

alekssr [168]3 years ago

3 0

Compounds are elements and its a pure substance with a gised composition.

Mixtures two or more subtances mixed to together.There are 2 type of mixtures.

Homegenous Mixtures (Solutions)-Two or more substances mixed but is uniform, you cant see the different mixtures.

Ex:Sugar mixed with water.The sugar dissolves and becomes one with the water.

Heterogeneous Mixtures-Two or more substances mixed but is not uniformed.You can see all the substances put into the mixture.

Ex:A salad, you can see whats all mixed in the sald and can pick it apart.

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What is the Bohr model for Sodium?

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Column tells you how many valence electrons there are

Row tells you how many layers (circles)

Sodium (Na) has 1 valence electron

Sodium (Na) is the 3rd row so there's 3 circles

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Every shell after that can hold 8.

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