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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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How many oxygen molecules are needed to make 10 carbon dioxide molecules according to the following balanced chemical equation?
11Alexandr11 [23.1K]
<h2 /><h2 /><h2>answer.</h2>

five oxygen molecules

step by step explanation.

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6 0
3 years ago
Due to radioactive decay over many millions of years, it is possible for the element uranium to decay in
ruslelena [56]

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Which fossil occurs on the most land masses
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The Glossopteridales :)
8 0
3 years ago
How many atoms are there in 2.0 moles of magnesium (Mg)?
hjlf

Answer:

It should be 1. 1.2 X 10^24

Explanation:

7 0
2 years ago
Attempt 2
Assoli18 [71]
Lets let our mass equal 3 on alletals and solve using d=m/v equation

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Silver
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Rhenium
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Nickel
V=3/8.90=.337
This gives us the following list from largest to smallest Aluminum, Nickel, Silver, and Rhenium
4 0
3 years ago
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