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ioda
3 years ago
8

Nitrogen is an element. What is the smallest particle of nitrogen that has all the properties of nitrogen?

Chemistry
1 answer:
oksian1 [2.3K]3 years ago
6 0

Answer:

The structure of the atom.

Explanation:

The correct answer is - The structure of the atom.

Reason -

An atom is the smallest unit of matter that retains all of the chemical properties of an element.

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PROBLEMS
allsm [11]

Answer:

% Mass of sand = 35.95%

% Mass of KBr = 64.05%

Explanation:

From the question given, we obtained the following:

Mass of mixture( KBr + sand) = 10g

Mass of sand = 3.595g

Mass of KBr = 10 — 3.595 = 6.405g

% Mass of sand = ( Mass of sand / mass of mixture) x 100

% Mass of sand = (3.595 / 10) x100

% Mass of sand = 35.95%

We can obtain the percentage of KBr by subtracting the percentage of sand from 100. This is illustrated below:

% Mass of KBr = 100 — 35.95

% Mass of KBr = 64.05%

4 0
3 years ago
True or False? In a C++ floating-point constant, a decimal point is not required if exponential (E) notation is used.
defon

Answer:

The answer is True

Explanation:

This is because they are equivalent and have same number of bit.

7 0
3 years ago
John Dalton believed which of the following about atoms?
Snowcat [4.5K]

Answer : Option B) All atoms of a single substance are identical.


Explanation : The scientist John Dalton proposed the atomic theory which had the postulates as follows.


i) All matter/substances consists of indivisible particles known as atoms.

ii) Atoms of the same element/substance are similar in mass,shape and size, but differ from the atoms of other elements.

iii) Atoms obey the law of conservation of energy which says atoms cannot be created or destroyed.

iv) Atoms of different elements may combine with each other in a fixed, simple, whole number ratios to form any compound atoms.

v) Atoms of same element can combine in ratio with more than one to form two or more compounds.

vi) The atom is considered to be the smallest unit of matter that can take part in a chemical reaction

8 0
3 years ago
If you have 110.0 grams of an unknown compound that contains 12.3 grams of hydrogen, what is the percent by mass of hydrogen in
Vladimir [108]
All you have to do is a simple division "parts over the whole"

12.3 grams H/ 110 grams compound x 100= 11.2%
8 0
3 years ago
Read 2 more answers
How are continental drift and plate tectonics related
lozanna [386]
The continental drift is what caused plate tectonics
5 0
3 years ago
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