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sergij07 [2.7K]
3 years ago
8

What are some examples of neutron?

Chemistry
1 answer:
Katena32 [7]3 years ago
7 0

Answer: Almost anything non-electrically charged.

Explanation: An electrically neutral subatomic particle in the baryon family, having a mass of 1.674 × 10&spminus;24 grams (1,838 times that of the electron and slightly greater than that of the proton).

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E the letters of the correct answers on the lines at left.
Neko [114]

Suspension mixture was their dinner if they were having spaghetti and meatballs.  The right option is D.

Explanation:

Properties of suspension mixture are:

Bigger particles are seen in suspension, and they are visible by naked eye.

Suspension is a heterogenous mixture of either two or more substances.

Solute particles are not dissolved in solvent instead they are suspended as it is or in bulk.

Exhibits Tyndall effect.

Solid particles get sedimented easily.

A mixture of spaghetti and meatballs  are suspension because two paricles are not dissoved, and they have separate phases on sphagetti and meat ball where liquid in meat ball drizzles to bottom and meatball remians on top.

3 0
3 years ago
Classify each of the following as either a physical change or a chemical change.
Mkey [24]

Answer:

(a) Dissolving sugar in water  ⇒ physical change

(b) Crushing rock salt  ⇒ physical change

(c) Burning sulfur  ⇒ chemical change

(d) Digesting a chili dog ⇒ chemical change

Explanation:

<em>Physical changes</em> are those in which the substance does not alter its composition. They only involve changes of states of  matter and the chemical substance is stil the same after the change occurs. By other hand, <em>chemical changes</em> are those in which new subtances are formed. So, the subtance is not the same after the change.

(a) Dissolving sugar in water  ⇒ <em>physical change</em>; because we obtain a solution of sugar in water (sugar is stil sugar).

(b) Crushing rock salt  ⇒ <em>physical change</em>; because we obtain crushed salt, but the chemical composition of the salt is not altered.

(c) Burning sulfur  ⇒ <em>chemical change</em>; because sulfur is oxidized (chemical reaction) and new compounds are formed, for example sulfur dioxide.  

(d) Digesting a chili dog ⇒ <em>chemical change</em>; because the digestion process is produced by the action of hydrocloric acid, and new compounds are formed.

7 0
3 years ago
Which scientist provided a foundation for John Daltons work on the atomic structure
nydimaria [60]

The correct option for above statement is:

B.Joseph Proust


Explanation:

Joseph Proust printed his Law of Definite Proportions (or Law of Constant Composition) in 1794. This law states that a compound consists of exact proportions of parts by mass no matter however the compound was created.

6 0
3 years ago
Read 2 more answers
Which element(s) is/are not balanced in this equation? Pb(NO3)2 + 2 KCl → PbCl2 + KNO3 K K, N, and O N and O Pb, N, and O
lara31 [8.8K]
K, N, and O are not balanced
8 0
3 years ago
Read 2 more answers
In which stage do vertebrate embryos or offspring show the most similarities?
iragen [17]

Answer:

All developing vertebrates appear very similar shortly after gastrulation. It is only later in development that the special features of class, order, and finally species emerge. All vertebrate embryos have gill arches, notochords, spinal cords, and primitive kidneys

Explanation:

I hope this helps you! :)

3 0
2 years ago
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