3 years ago

Which element's atomic radius increases the most in size when it becomes ionized? A. Sodium B. Chlorine C. Fluorine D. Lithium

Chemistry

1 answer:

Drupady [299]3 years ago

5 0

I am thinking Chlorine

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Answer:

a) reaction with oxygen

2mg +o2---------2mgo

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The woman riding the bike applies a force by pedaling the bike. However, she moves at a constant velocity. So her force must be

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Determine the molarity of 1.2 mol KCl in 1.1 L of a solution?

victus00 [196]

Answer:

1.1 M

General Formulas and Concepts:

Molarity = moles of solute / liters of solution

Explanation:

Step 1: Define variables

1.2 mol KCL

1.1 L of solution

M = unknown

Step 2: Solve for Molarity

Substitute: M = 1.2 mol/1.1 L
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2 years ago

What is the smallest substance? 1 .mixture 2 .compound 3 .element

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Number 3 it’s element

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3 years ago

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During reduction, which of the following is true? A. Electrons are gained, so the oxidation number increases. B. Electrons are g

Pani-rosa [81]

Answer:

B. Electrons are gained, so the oxidation number decreases.

Explanation:

Reduction is the gain of electrons.

Oxidation number is the charge that an atom appears to have when we count its electrons in a specific way.

Electrons have a negative charge so, if an atom gains electrons, its charge (oxidation number) becomes more negative. The oxidation number decreases.

If electrons are given off, the atom is being oxidized. Loss of electrons is oxidation.

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