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Romashka-Z-Leto [24]
3 years ago
13

The least active elements are the _______.

Chemistry
1 answer:
Andreas93 [3]3 years ago
4 0
Noble gases are the least<span> reactive </span>elements<span> in the periodic table because they have a full valence shell. Examples are, Argon, Neon, Xenon, and Helium</span>
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Significant figures
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Answer:

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Explanation:

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3 years ago
What type of reaction is FeS + 2HCl àFeCl2 + H2S?
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What is the specific heat of titanium in j/(g⋅∘c) if it takes 89.7 j to raise the temperature of a 33.0 g block by 5.20 ∘c?
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Specific  heat  capacity  is  the  amount  of  energy  required  to  raise one  gram  of  substances by 1 degree  celsius .  Therefore  specific  heat  capacity  for  tatanium  is  89.7j /(  33.0g  x5.2 degree celsius) = 0.52j/g  degree celcius
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5 0
3 years ago
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2 points
Westkost [7]

Answer:

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Ernest Rutherford

Explanation:

The basic law of behavior of matter that states that "mass is neither created nor destroyed in a chemical reaction or physical change".

This is the law of conservation of mass. It is very essential in understanding most chemical reaction. Also, in quantitative analysis, this law is pivotal.

Ernest Rutherford was the scientist that stated that the nucleus is made up of positive charge. It was not until James Chadwick in 1932 discovered the neutron that we had an understanding of this nuclear component.

Rutherford surmised from his experiment that because most the alpha particles passed through the thin Gold foil and just a tiny fraction was deflected back, the atom is made is made up of small nucleus that is positively charged.

4 0
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Which determines the frequency of a sound wave? A the intensity of the sound waves B the rate at which the sound source is vibra
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Answer:

b

Explanation:

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7 0
3 years ago
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