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serious [3.7K]
3 years ago
9

The energy needed to remove an electron is called ionization energy.

Chemistry
1 answer:
salantis [7]3 years ago
7 0
<h2>                             Emma here<em>!</em></h2>

Answer:

im pretty sure its decreases going across a row (left to right)

Explanation:

As you move from left to right across a period on the periodic table the size of an atom will decrease

<h3>Hope this helps<em>! </em>Have a nice day<em>!</em></h3>
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True or false. elements in the same period have the same number of valence electrons
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False. elements in the same period have the same number of shells while elements in the same group have the same number of valence electrons.
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Laura has 3 beakers. Each contain 200cm3 of colourless liquid. Describe how Laura could determine which beakers contain pure wat
vova2212 [387]

Answer:

Laura can look for a transparent and  translucent liquid and hence determine which beaker has water and which has solution

Explanation:

Pure water is a compound that is transparent in color. However, a solution is a liquid mixture comprising of a solvent or a solute. The atoms of solute occupy space between the atoms of solvent and hence are said to dissolve in it. Water can be a solvent.  

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6 0
3 years ago
Okay help please will give brainlist
pashok25 [27]

Answer:

b.

Explanation:

hope that helped you

3 0
2 years ago
3
solniwko [45]

Answer:

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7 0
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Which choice BEST describes the motion of the car represented by the graph?
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