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11111nata11111 [884]
3 years ago
13

Everything in outer space including stars, planets, and galaxies

Chemistry
2 answers:
rewona [7]3 years ago
8 0

Answer:

B.

Explanation:

A solar system is IN a galaxy. Its not A.

A Galaxy doesnt have other galaxies in it. Its not c

A biosphere is only referring to earth. its not D.

Therefore, it is B. A universe is everything in outer space including stars, planets, and galaxies.

slega [8]3 years ago
5 0

Answer:

Universe.

Explanation:

Biosphere is just a planet. Solar system contains planets and star. Galaxy holds multiple solar systems only. Universe hold everything, biospheres, solar systems, and galaxies. I hope this helps :D

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What substance do you get when you combine Bromine and Barium?
ddd [48]
Barium bromide is the chemical compound with the formula BaBr2. Like barium chloride, it dissolves well in water and is toxic.
5 0
3 years ago
Using the trend for chlorine, create a rule for naming halogen oxyacids.
Vlada [557]
All oxayacids have cations so no need to name the cation (H+) If name of polyatomic anion ends in -ate change to -ic for acid and if it ends with -ite change to -ous for acid

example:

ion nitrate is called nitric acid
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7 0
3 years ago
Name the person who developed a table of elements which revealed
aivan3 [116]

Dimitry Mendeleef

Explanation:

Dimitry Mendeleef developed a table of elements which revealed regularities in elemental properties. He discovered the periodic arrangement of elements in 1869 while playing his game of solitaire.

  • John Newlands in in 1863 proposed the idea of a repeating octaves of properties of elements.
  • Dimitry Mendeleef described the periodic table or chart in 1869
  • The chart was based on the periodic law which states that "chemical properties of elements are a periodic function of their atomic weights".
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Learn more:

Periodic table brainly.com/question/8543126

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8 0
3 years ago
Denise heard that little children will pick food based on color. So she offered 100 kindergarteners colored mashed potatoes for
Dvinal [7]

Answer:

I think the answer is B. the number of students choosing each color.

Explanation:

7 0
2 years ago
Using the accompanying chart, calculate the volume of a Densities of Group 14 Elements tin block that has a mass of 95.04 grams
saw5 [17]

<u>Answer:</u> The volume of given mas of tin block at STP is 13.0cm^3

<u>Explanation:</u>

To calculate volume of of the substance, we use the equation:

\text{Density of substance}=\frac{\text{Mass of substance}}{\text{Volume of substance}}

We are given:

Mass of tin = 95.04 g

Density of tin = 7.31g/cm^3

Putting values in above equation, we get:

7.31g/cm^3=\frac{95.04g}{\text{Volume of tin}}\\\\\text{Volume of tin}=\frac{95.04g}{7.31g/cm^3}=13.0cm^3

Hence, the volume of given mas of tin block at STP is 13.0cm^3

5 0
4 years ago
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