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N76 [4]
3 years ago
14

What is the standard model? What can it explain?

Chemistry
2 answers:
Arturiano [62]3 years ago
7 0

Answer:

The Standard Model of particle physics is the theory describing three of the four known fundamental forces (the electromagnetic, weak, and strong interactions, and not including the gravitational force) in the universe, as well as classifying all known elementary particles. It was developed in stages throughout the latter half of the 20th century, through the work of many scientists around the world, with the current formulation being finalized in the mid-1970s upon experimental confirmation of the existence of quarks.

ZanzabumX [31]3 years ago
6 0

Answer:

practice physical

Explanation:

The Standard Model of particle physics is the theory describing three of the four known fundamental forces in the universe, as well as classifying all known elementary particles.

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Instrument used to measure atmospheric pressure
lisov135 [29]

Answer: barometer

Explanation:

7 0
3 years ago
Emma drinks water from a glass using a straw. Which of these best describes how the fluid moves from the drinking glass to Emma’
andre [41]

Answer:

Option A

Explanation:

Emma creates a pressure difference allowing the fluid to flow

8 0
2 years ago
2Mg + O2à MgO For this unbalanced chemical equation, what is the coefficient for oxygen when the equation is balanced? A. 1 B. 2
Vikki [24]

Answer:

The answer to your question is the letter A. 1

Explanation:

Unbalanced chemical reaction

                      Mg  +  O₂  ⇒  MgO

               Reactants    Elements    Products

                       1            Magnesium       1

                       2           Oxygen              1

Balanced chemical reaction

                      2Mg  +  O₂  ⇒  2MgO

              Reactants    Elements    Products

                       2           Magnesium       2

                       2           Oxygen             2

Conclusion

The coefficients of the balanced equation are 2, 1, 2

7 0
3 years ago
Read 2 more answers
Provide an example of a Food Chain.
VikaD [51]

Answer: Diamond is the name ^-^

A food chain only follows just one path as animals find food. eg: A hawk eats a snake, which has eaten a frog, which has eaten a grasshopper, which has eaten grass. A food web shows the many different paths plants and animals are connected. eg: A hawk might also eat a mouse, a squirrel, a frog or some other animal.

Hope this helps ^_^

5 0
3 years ago
Of the molecules below, the bond in __________ is the most polar. hbr hi hcl hf
Black_prince [1.1K]
<span>There's a trend in electronegativity. The bottom left of periodic table is the lowest (0.7) and the upper right is the highest (4.0). The most polar is the greatest difference in electronegavity. hbr- 1~ , hi- 0.5~ ,hcl - 1.3~ , hf-1.8 so,hf is the answer</span>
7 0
3 years ago
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