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Crazy boy [7]
3 years ago
13

The total number of electrons in a neutral atom of every element is always equal to the atom's

Chemistry
1 answer:
uysha [10]3 years ago
6 0

Answer:

3.  number of protons

Explanation:

In a neutral atom, the total number of electrons in such an atom is equal to the number of protons.

There are three fundamentally known sub-atomic particles in an atom. They are:

Protons which are positively charged and are contained in the nucleus

Neutrons which do not carry any charges

 Electrons which are negatively charged.

Both of protons and neutrons are located in the nucleus.

Atoms are charged by gaining of losing electrons.

When an atom gains electrons, they become negatively charged and the number of electrons in them becomes more than that of protons.

When they lose electrons, they become positively charged as the the number of protons is more.

Neutral atoms have equal number of protons and electrons in them.

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Si 100 monedas tienen una masa total de 226.13g. Cual es la masa de una moneda
galben [10]

The mass of a coin : 2.2613 g

<h3>Further explanation  </h3>

Algebraic expressions in mathematics are a combination of coefficients, numbers, variables, constants and arithmetic operations such as addition, subtraction, multiplication, and division.  

The main composition of algebraic expressions are:  

  • 1. phrases  

algebraic forms separated by arithmetic operations  

consists of one phrase (monomial) to many phrases (polynomial)  

  • 2. variables  

is a value that can be changed, can be in the form of letters, for example, x, y, a, b, etc.  

  • 3. constants  

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  • 4. arithmetic operations ⇒ +, - , : , x

<em>If 100 coins have a total mass of 226.13g. What is the mass of a coin</em>

We can make this statement in the form of an algebraic equation :

100 coins=226.13 g

then the mass of a coin :

\tt \dfrac{1}{100}\times 226.13~g=2.2613~g

5 0
3 years ago
What is the time required for contamination source
Afina-wow [57]
Hi there!

It can take years to remove all of the harmful substances from the water.

I hope my answer helped :)
8 0
3 years ago
You have added IgG-sensitized red cells to the negative indirect antiglobulin test result of the antibody screen procedure. You
Ivanshal [37]

Answer:

Positive

Explanation:

The antibody screen interpretation is positive. That's because of clump formation when antibody reacts with the antigen and agglutination occurs.

It means that the antibodies were present in the sample that react with the antigen present in the test tube.

5 0
3 years ago
Is carbonic acid (H2CO3) soluble in water?
NeTakaya

Answer:

it is soluble in water

Explanation:

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8 0
3 years ago
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One mole of which substance contains a total of 6.02 x 1023 atoms? (I need help please.)
Korolek [52]

Answer:

Oxygen

Explanation:

One mole of atoms of oxygen has a mass of 16 g, as 16 is the atomic weight of oxygen, and contains 6.02 X 1023 atoms of oxygen.

8 0
2 years ago
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