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Temka [501]
3 years ago
6

The concept that matter is composed of tiny, discrete particles is generally attributed to the

Chemistry
1 answer:
GREYUIT [131]3 years ago
7 0
Your answer is it is generally attributed to the Greek. Hope this helps.
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5 Questions to answer please
ryzh [129]
1.Type of bonding in which electrons are completely transferred is called ionic bond.
2. Isotopes have same atomic number but different atomic mass number.
Atomic number = number of protons + number of neutrons
Therefore, A is correct. 
3. Nucleus is composed of neutrons and protons.
4. Chemical reactions follows the law of conservation of mass. Therefore mass of reactant = mass of product = 4 grams.
5. Again, mass of table salt formed should be equal to mass of (Na+Cl₂) = 4 grams.
5 0
3 years ago
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Balance the Equation <br>with the steps please:)​
vivado [14]

Explanation:

Fe2o3+ 3co ---------. 2fe + 3co2

8 0
3 years ago
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Determine the percentage composition (by mass) of oxygen in NH4NO3.
Brrunno [24]

Answer:

60%

Explanation:

M(NH4NO3) = 2*14 +4*1 +3*16 = 80 g/mol

M(3O) = 3*16 = 48 g/mol

(48/80) *100 % =60% oxygen by mass.

6 0
3 years ago
Hydrogen peroxide slowly decomposes in light:
IgorLugansk [536]

Answer:

Explanation: the answer is A

3 0
3 years ago
When sodium carbonate is dissolved in water, it doesn’t dissociate, or break up, completely. There is always some sodium carbona
dusya [7]
It's a weak base because weak bases don't dissociate completely. If it did, then it would be a strong base.
7 0
3 years ago
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