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polet [3.4K]
3 years ago
5

Which is the best analogy of a wave?

Chemistry
2 answers:
emmainna [20.7K]3 years ago
8 0

Answer:

A wave is like water rippling in a pond.

Explanation:

Cerrena [4.2K]3 years ago
5 0

Answer:

A wave is like water rippling in a pond.

Explanation:

Water tanks are used to examine water waves and their properties. Two types of waves, circular and linear, can be produced in water. The crests of the waves behave like convergence on the target and it is observed in the lower part of the tank as a clear zone. On the other hand, the depressions darken in the lower part of the water tank.

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A number should be rounded up if________? it is the first digit, the number after it is between 0 and 4, the number after is bet
Mice21 [21]

Answer:

a number should be rounded up it is 5 or higher

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2 years ago
As you move across the period on the periodic table what pattern can be described about the electron configurations?
xeze [42]

Answer:

Elements in the same period have same number of electronic shell and electron is increased by one in every coming element with in same electronic shell.

Explanation:

Consider the second period of periodic table. This period consist of eight elements lithium, beryllium, boron, carbon, nitrogen, oxygen, fluorine and neon.

Electronic configuration of lithium:

Li₃ = [He] 2s¹

Electronic configuration of beryllium:

Be₄ = [He] 2s²

Electronic configuration of boron:

B₅ = [He] 2s² 2p¹

Electronic configuration of carbon:

C₆ = [He] 2s² 2p²

Electronic configuration of nitrogen:

N₇ = [He] 2s² 2p³

Electronic configuration of oxygen:

O₈ = [He] 2s² 2p⁴

Electronic configuration of fluorine:

F₉ = [He] 2s² 2p⁵

Electronic configuration of neon:

Ne₁₀ = [He] 2s² 2p⁶

All these elements present in same period having same electronic shell and number of electron increased by 1.

4 0
3 years ago
It took batman 5 minutes to catch robin in the bat-mobile. If he traveled 45 km before catching him, how fast was he going?
Nataly_w [17]

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2 years ago
Which of the following examples illustrates a number that is correctly rounded to three significant figures?
Naily [24]

Answer:

c. 20.0332 g to 20,0 g

Explanation:

A significant figure is each of the digits of a number that are used to express it to the required degree of accuracy, starting from the first non-zero digit, with the exception of the trailing zeros.

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e. 103.692 g to 103.7g. NO. The rounded number has 4 significant figures: 103.7.

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3 years ago
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temperature controlled

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