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VARVARA [1.3K]
3 years ago
6

Which substance can not be decomposed by a chemical change?

Chemistry
2 answers:
oksian1 [2.3K]3 years ago
8 0
The substance that can not be decompoased by a chemical change is B. Carbon
FrozenT [24]3 years ago
3 0
Carbon because it an element in comparison to eater for example which is a mixture of hydrogen and oxygen.
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MArishka [77]
The answer is B 80 grams
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3 years ago
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Which state of matter is charcterized with no volume?
ziro4ka [17]

The answer is GAS. Gas has a physical state characterized by having no definite volume or shape and consisting of neutral particles. or it can also be plasma.



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3 years ago
When two atoms are bonded together, the atom that is LEAST likely to attract electrons to itself is
Wewaii [24]

When two atoms are bonded together, the atom that is LEAST likely to attract electrons to itself is

the atom with the smallest electronegativity

6 0
1 year ago
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What metal will have properties most similar to those of chromium (Cr)? Why?
garri49 [273]
That element is manganese. As they are in same horizontal row (period) and are next to each other. That is why they show same properties. 

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5 0
3 years ago
How many grams in 6.20 x 10^25 atoms of bromine (Br) ? image attached , will give brainliest
Deffense [45]

Answer:

8239.2g

Explanation:

Given parameters:

Number of atoms in Br  = 6.2 x 10²⁵atoms

Unknown:

Mass of Br = ?

Solution:

From mole concepts, we know that:

       1 mole of a substance contains 6.02 x 10²³ atoms/mol

 Molar mass of Br  = 80g/mol

6.2 x 10²⁵atoms  x \frac{1}{6.02 x 10^{23} } \frac{mol}{atoms} x  80 x \frac{g}{moles}  

          = 8239.2g

8 0
3 years ago
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