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sp2606 [1]
3 years ago
13

What is quantitative data?

Chemistry
1 answer:
Lesechka [4]3 years ago
7 0
Quantitative data are measures of values or counts and are expressed as numbers. Quantitative data are data about numeric variables (e.g. how many; how much; or how often). Qualitative data are measures of 'types' and may be represented by a name, symbol, or a number code.
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In the periodic table which of these elements has the smallest atomic radius ?
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I think its Helium correct me if I'm wrong plz. 
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Which of the following statements is true?
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Kinetic energy on mass. gravity, and speed
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5 0
3 years ago
What is the acceleration of an object if it goes from a velocity of +25 m/s to rest in 5.0 seconds?
Amanda [17]
Hello there!

The correct answer is B

Remember that acceleration is the change in velocity divided by the change in time.

So, what we need to do here is take +25 divide it by 5.0, which equals to 5

So yeah, that's how we got the acceleration :)


I hope this helps!

Good luck with your Science studies!
3 0
3 years ago
Read 2 more answers
The effective nuclear charge for an atom is less than the actual nuclear charge due to
Irina18 [472]

Answer:

A = shielding.

Explanation:

The addition of electron causes the atomic size increase from top to bottom due to increase in atomic number.

As the atomic number increased one more electron is added and because of this electron on more electronic shell is added. Thus the electron become more away from the nucleus as many of other electrons are present in the way from nucleus to the outer electrons.

The hold of nucleus becomes weaker. Although nuclear charge is also increased but at the same time other electrons shield the respective electrons. So effective nuclear charge is weaker than the actual nuclear charge.

Because of this shielding it is easy to remove the electrons or we can say ionization energy decreases.

3 0
4 years ago
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