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Alexeev081 [22]
3 years ago
15

1.what happens when vinegar and baking soda are passed through lime water?

Chemistry
1 answer:
lisabon 2012 [21]3 years ago
6 0

Answer:

vinegar and baking soda when mixed forms Carbon dioxide which turns lime water milky.

Explanation:

due to properties of Co2 lime water turns milky.  The Answer would be A

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<span>3. relate to properties of elements and how they may react. Periodic trends are specific patterns that are present in the periodic table that include size, electronic properties, melting point, electronegativity and metallic character. The trends exist due to the similar atomic structure of the elements within each group family.</span>
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3 years ago
Electronegativities of the elements Na, Al, P, and Cl follow a specific trend across the period. Based on this trend, an electro
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Answer:

Electronegativity increases across the period on a periodic table.

Explanation:

Electronegativity is the ability of an atom to attract electron to itself.

All elements on the periodic table combines in order to have a complete octet i.e they all want to be like the noble gases, group 0 elements.

This is what drives most atom to combine chemically. By so doing, they either lose or gain electrons.

Cl belongs to the 7th group on the periodic table. It is the second element in this halogen group. Most halogens are notable for their high electronegativity. They have 7 electrons in their outermost shell and would require just an electron to complete their octet.

This makes them highly reactive and combine readily with other elements.

The halogens have a strong attraction for valence electrons. The higher the electronegativity value, the stronger the attraction an atom has for valence electrons.

Most metals like Al and Na are electropositive and readily donates or lose electrons so as to have a complete octet.

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Answer:

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Answer:

The answer is

D. Main sequence

Explanation:

Main sequence stars can be between one thousand times dimmer and one million times brighter than the Sun.

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