2 years ago

A standard hydrogen atom has how many neutrons? A. 0 B. 3 C. 2 D. 1

Chemistry

2 answers:

Anestetic [448]2 years ago

4 0

Answer:

D. 1

Explanation:

Hydrogen is the chemical element with the symbol H and atomic number 1. With a standard atomic weight of 1.008, hydrogen is the lightest element in the periodic table. Hydrogen is the most abundant chemical substance in the Universe, constituting roughly 75% of all baryonic mass.

GuDViN [60]2 years ago

3 0

Answer:

D.1 is the correct answer

Explanation:

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1. Adrian has a rectangular block with the dimensions 3.5 in by 8.0 in by 5.5

miskamm [114]

Answer:

The density of the block is 2.827 grams/ cubic inch

Explanation:

The density of the block can be obtained by dividing the given mass of the block by its volume.

Density = mass / volume

The mass of the block given is 435.5 grams

The volume of the block can be obtained by using the formula:

Volume = Length X breadth X height

Volume = 3.5 X 8 X 5.5 = 154 $in^3$

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3 years ago

Is this an element or a compound C12H24O12

goldenfox [79]

Answer:

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2 years ago

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Why is petrified wood considered a fossil?

Mazyrski [523]

Answer:

Petrified wood contains minerals that are only found in fossils.

Explanation:

learned it in school (promise)

8 0

3 years ago

. Identify each of the following statements as being most similar to a hypothesis, a law, or a theory. Explain your reasoning.

asambeis [7]

Answer:

a=theory

b=law

c=hypothesis

Explanation:

because I know

6 0

3 years ago

A compound is 2.00% H by mass, 32.7% S by mass, and 65.3% O by mass. What is the mass of each element in a 100.0-g sample of the

Lina20 [59]

i believe that compound H would be 2.00 grams, compound S would be 32.7 grams, and compound O would be 65.3 grams

hope this helps

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3 years ago