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nlexa [21]
3 years ago
8

In your own words, give a summary of the history of the atom. Make sure to use names of models and the scientists associated wit

h each. Make a different paragraph for each model/scientist. (ADV is a minimum of 5 paragraphs) Notice that the Atomic Theory has changed over time as scientists have added knowledge through experimentation and use of advanced instruments. Be sure to include the following: Plum pudding model orbitals electrons gold foil experiment Bohr's model protons nuetrons nucleus
Chemistry
2 answers:
Stella [2.4K]3 years ago
4 0
2 or more I don’t really know what the answer is
KatRina [158]3 years ago
3 0

Answer:

The answer is number 2

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Why does silicone dioxide have a high melting point ?
VashaNatasha [74]

Answer:

Where SiO2 has strong covalent bonds between molecules, SO3 only has weak van der waals intermolecular forces holding its molecules together. Since covalent bonds require more energy to overcome than van der waals, SiO2 requires a higher temperature than SO3 to melt, thus SiO2 has a higher melting point.

8 0
3 years ago
A hydrocarbon has the molar mass 26.04 g/mol. what is a possible formula
jonny [76]
C2H2 is the right answer I believe
6 0
3 years ago
If the ratio of the length of a rectangle to its width is 3 to 2, what is the
borishaifa [10]

Answer:

Length of a rectangle whose width is 4 inches is

<u>6 inches</u>

Explanation:

Ratio of length  to its width is 3 to 2

Let length  = L

Let Width  = B

L: B = 3 : 2 (given)

\frac{L}{B} =\frac{3}{2}

Width ,B = 4

Insert  B in above equation

\frac{L}{B} =\frac{3}{2}

\frac{L}{4} =\frac{3}{2}

cross multiply,

L = \frac{3}{2}\times4

L = 6 inches

Conversion(if required) ,

1 inch = 2.54 cm

6 inch = 2.54 (6)

L = 15.24 cm

8 0
3 years ago
Carly lives in an area with temperatures that are always very warm. Carly also lives in an area that is close to the equator. Wh
mariarad [96]

The answer would be B.

hope this helps,

Trey

3 0
3 years ago
An astronaut in her spacesuit weighs 300 lb on earth. What would her weight be on the moon?
Phantasy [73]
She would be 150 on the moon because the moon has half the mass of earth
6 0
3 years ago
Read 2 more answers
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