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Leokris [45]
3 years ago
6

Which information best supports the idea that the universe began with rapid expansion?

Chemistry
2 answers:
koban [17]3 years ago
6 0
Bbbbb x sidisjeiiwkwnsiwowownsxjid i’m so sorry but i need help in this one class i’m trying to get answers to hope you understand
stepan [7]3 years ago
3 0
Answer

I believe it’s A.

Explanation

Because the cosmic microwave background (CMB) is thought to be leftover radiation from the Big Bang, or the time when the universe began
—

The Cosmic Microwave Background radiation, or CMB for short, is a faint glow of light that fills the universe, falling on Earth from every direction with nearly uniform intensity.
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How many protons and neutrons are in the nucleus of zinc-72
Veronika [31]

Answer:

30 protons

Explanation: Each zinc isotope contains 30 protons, 30 massive, positively charged nuclear particles

30 protons, 34 neutrons, and 30 electrons.

3 0
2 years ago
What is the next atomic orbital in the series 1s 2p 3s 3p
liq [111]

Answer:

s an example, the ground state configuration of the sodium atom is 1s22s22p63s1, as deduced from the Aufbau principle (see below). The first excited state is obtained by promoting a 3s electron to the 3p orbital, to obtain the 1s22s22p63p1 configuration, abbreviated as the 3p level.

Explanation:

3 0
3 years ago
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The table describes how some substances were formed.
Tanzania [10]

R is the mixture formed by adding 5 g of sugar to 1 L of water.

<h3>Which is a mixture?</h3>

A mixture is an impure substance made up of two or more substances which are miscible or immiscible in each other.

Dissolving the sugar in the water makes a homogenous mixture and once dissolved a solution is made by the combination of a solute (sugar) and solvent (water).

Hence, R is the mixture formed by adding 5 g of sugar to 1 L of water.

Learn more about the mixture here:

here:brainly.com/question/17247700

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7 0
2 years ago
What period and group (number and name) is Selenium in?
Maru [420]

Answer:

Group 16  Melting point 220.8°C, 429.4°F, 494 K

Period 4  Boiling point 685°C, 1265°F, 958 K

Explanation:

8 0
3 years ago
How does the behavior of a high-energy particle compare to a low-energy particle?
irina1246 [14]

Answer:

The problem of energy exchange between waves and particles, which leads to energization of the latter, in an unstable plasma typical of the radiation belts. The ongoing Van Allen Probes space mission brought this problem among the most discussed in space physics. A free energy which is present in an unstable plasma provides the indispensable condition for energy transfer from lower energy particles to higher-energy particles via resonant wave-particle interaction. This process is studied in detail by the example of electron interactions with whistler mode wave packets originated from lightning-induced emission. We emphasize that in an unstable plasma, the energy source for electron energization is the energy of other particles, rather than the wave energy as is often assumed. The way by which the energy is transferred from lower energy to higher-energy particles includes two processes that operate concurrently, in the same space-time domain, or sequentially, in different space-time domains, in which a given wave packet is located. In the first process, one group of resonant particles gives the energy to the wave. The second process consists in wave absorption by another group of resonant particles, whose energy therefore increases. We argue that this mechanism represents an efficient means of electron energization in the radiation belts.

Explanation:

Fun facts:

In the process of energy transfer between two groups of particles both processes operate simultaneously, and if the lower energy part of plasma distribution gives energy to the wave while the higher‐energy part absorbs the wave enrgy, then the wave‐mediated energy transfer from lower energy particles to higher‐energy ...

5 0
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