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levacccp [35]
3 years ago
6

Using the periodic table, complete the following.

Chemistry
1 answer:
vladimir1956 [14]3 years ago
4 0
Molecular weight= 1.00784 u
mass of one mole = 1.008 grams

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What kind of energy does an unlit match have?​
Harman [31]

Answer:

Potential Energy

Explanation:

Right now, the match is giving off no energy to it's environment.

<em>Light</em><em> </em><em>it</em><em>.</em>

Now it's giving off a few kinds:

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The match has the potential to have energy, but it currently has none.

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Which of the following is true about gravity? <br><br> Select all that apply.
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2 years ago
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How many neutrons does the following nuclide have? 253/100 Fm A. 253 B. 100 C. 153 D. none of these
lara [203]
I believe the correct answer is C. The number of neutrons in the <span>253/100 Fm would be 153. The numbers beside Fm are used to determine this. Two hundred fifty three represents the mass number which is the sum of protons and neutrons in the nuclide while 100 represents the atomic number which is the number of protons. Therefore,

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3 0
3 years ago
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Draw the Lewis structure (including all lone pair electrons) for one isomer of the molecular formula C3H8O.
Andreyy89

Answer:

Here's how I would do it.

Explanation:

A Lewis structure shows the valence electrons surrounding the atoms.

1. Identify the central atoms

The central atoms are the least electronegative atoms (C).

I chose as my central atoms a chain of four C atoms: C-C-C-C

I stuck the most electronegative atom (O) at the end of the chain:

C-C-C-C-O

2. Complete the structure

The hydrogen atoms must be terminal. Add enough to give every atom an octet.

You should get a structure like the one below

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6 0
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