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Burka [1]
3 years ago
12

Samual adds a teaspoon of salt to a glass of water he notice that the salt disappears Samuel takes a sip to discover that the wa

ter taste salty what kind of changes occurred
Chemistry
1 answer:
lina2011 [118]3 years ago
6 0
It is chemical change
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Which scientist arranged the elements in order of increasing atomic number, rather than increasing atomic mass?
pentagon [3]

Answer:

Henry Moseley

Explanation:

Dmitry Mendeleef and Lothar Meyer proposed a periodic table based on the atomic mass.

They stated a periodic law expressed as "chemical properties of elements are a periodic function of their atomic weights".

But, Henry Moseley in 1900s re-stated periodic law by changing the basis of the law from atomic weight to atomic number.

The present periodic law is stated as "the properties of elements are a periodic function of their atomic number".

6 0
3 years ago
Based on your answers to parts a, b, and c select the best lewis structure (electron-dot structure) for hoi.
vodomira [7]

Answer : The lewis dot structure includes the lone pair of electrons in any element and is helpful for defining the bond formation using the electrons.


In the molecule of HOI hydrogen is to the left of oxygen; oxygen is in middle and Iodine is at right of oxygen.


The picture is attached for better understanding.

6 0
3 years ago
Please help I will mark Brainly
Talja [164]
The reactants are the substances on the left side, which react and give the products on the right side.
The reactants are Fe and O.
The product is Fe2O3.
The arrow to the right means that the reaction is going in only one direction — the only reaction happening at the moment is that Fe and O are making Fe2O3.
(s) means the substance is in the solid state, and (g) means in a gaseous state (or the substance is a gas in that reaction).
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5. If a resource is a limiting factor, a decrease in the resource will cause a<br> decrease in the
kykrilka [37]
Doing it for the bag
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3 years ago
When does carbon dioxide absorb the most heat energy
Artemon [7]

Answer:

in its final stage

Explanation:

8 0
3 years ago
Read 2 more answers
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