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Vedmedyk [2.9K]

4 years ago

10

Which of the following lists elements from lowest to highest atomic number

1 answer:

vitfil [10]4 years ago

8 0

Lowest is Hydrogen highest is <span>Beryllium
-HOPE THIS HELPED </span>

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What element has an electron<br> configuration of 2-8-8-1:

Afina-wow [57]

Ойлголоо, уучлаарай Ойлголоо, уучлаарай /; coo

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3 years ago

Identify the arrows that represent the process of cooling.<br> gas<br> liquid

olga nikolaevna [1]

Answer:

Liquid - Gas is Evaporation & Gas - Cooling is condensation

Explanation:

3 0

3 years ago

Which of the following groups of atoms are most likely to have similar properties?

vladimir1956 [14]

The third option because the elements mentioned in that selection are in the same group, they must have similar properties.

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3 years ago

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Which compound is produced when HCl(aq) is neutralized by Ca(OH)2(aq)?

kiruha [24]

<u>Answer:</u> The correct answer is Option 1.

<u>Explanation:</u>

Neutralization reaction is defined as the reaction in which acid reacts with a base to produce a salt along with water.

Here, HCl is an acid and $Ca(OH)_2$ is a base. When these two compounds react, the salt obtained is calcium chloride.

The equation for the above reaction is given by:

$2HCl(aq.)+Ca(OH)_2(aq.)\rightarrow CaCl_2(s)+2H_2O(l)$

Hence, the correct answer is Option 1.

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3 years ago

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This table shows the densities of a sample of substances.

Arisa [49]

When placed in a container, the heaviest (most dense) will sink to the bottom and the lightest (least dense) will rise to the top.
Therefore, Gasoline would rise to the top.

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4 years ago