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maw [93]
3 years ago
14

Complete the following radioactive decay problem. PLEASE HELP!

Chemistry
1 answer:
valentinak56 [21]3 years ago
8 0

Answer:

2nd one

Explanation:

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What’s the difference between directly<br> proportional and inversely proportional.
tatiyna

Answer:

Directly proportional:

A proportion of two variable quantities. when the ratio of two quantities are constant.

inversely proportional:

when one value decreases at the same rate that the other increases.

Explanation:

I hope this does help you, have a great day. :)

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3 years ago
Why are there 2 bonds holding the oxygen atoms together?​
tino4ka555 [31]

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Because Oxygen shares 2 electrons with mutual bond interaction forming covalent bond . thus it is diatomic due to K shell 2 electrons mutual sharing .

Explanation:

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What is the charge of an atom's nucleus of an atom has 20 protons, 23 neutrons, and 18 electrons?
Sidana [21]

Answer:

It would have a charge of +2.

Explanation:

A proton has a charge of +1, an elctron has a charge of -1, and a neutron has a charge of 0. Ignore the neurons since they have a charge of 0. Since there are 20 protons and 18 electrons (20-18), the overall charge of the atom is +2.

8 0
4 years ago
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Which atoms combine together during fusion reaction on the sun?
shusha [124]

Answer:

Hydrogen

Explanation:

5 0
3 years ago
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Calculate the work done when a force of 4 N pulls a box along the floor for a distance of 0.3 m.
Yuki888 [10]

Answer:

<h2><em>1</em><em>.</em><em>2</em><em> </em><em>Joule</em></h2>

<em>sol</em><em>ution</em><em>,</em>

<em>Force=</em><em>4</em><em> </em><em>N</em>

<em>Distance</em><em>=</em><em>0</em><em>.</em><em>3</em><em> </em><em>m</em>

<em>Now</em><em>,</em>

<em>work = f \times d \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 4 \times 0.3 \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  = 1.2 \: joule</em>

<em>hope</em><em> </em><em>this </em><em>helps</em><em>.</em><em>.</em><em>.</em>

<em>Good</em><em> </em><em>luck</em><em> on</em><em> your</em><em> assignment</em><em>.</em><em>.</em><em>.</em><em>.</em>

8 0
4 years ago
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