Does sodium have a positive or negative charge after ionization?

Answers

Answer 1

Answer:

Explanation:

Sodium has atomic number of 11 with electronic configuration of :

$[Na]=1s^22s^22p63s^1$

Sodium loose it single electron to attain stability of noble gas configuration. While this process electron gets removed from the outer shell of the sodium atom and it gains positive charge of +1.

$[Na^+]=1s^22s^22p63s^0$

$Na\rightarrow Na^++e^-$ (Ionization)

Answer 2

Answer: Sodium Chloride also known as table salt, the sodium has a positive charge and the chloride a negative so after ionization that leaves you with two negative charges because it takes the salt away. possibly disforming the atoms.

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Concentrated nitric acid used in laboratory is 68 % nitric acid by mass in aqueous solution. What should be the molarity of such a sample of the acid if the density of the solution is 1.504 g mL-1?
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The graduate students filled out the necessary applications, and submitted the required references. How is the comma used incorrectly in the sentence above? The comma attempts to separate a compound predicate. The comma attempts to set apart an essential element. The comma attempts to separate a compound subject. The comma attempts to join two independent clauses.

When are conservation efforts most effective? a. Conservation efforts are most effective when multiple groups cooperate. b. Conservation efforts are most effective when government is solely responsible for them. c. Conservation efforts are most effective with individual efforts. d. Conservation efforts are always effective.

Answers

Conservation efforts most effective if Conservation efforts are most effective when multiple groups cooperate. The answer is letter A. The rest of the choices do not answer the question above

Answer: Option (a) is the correct answer.

Explanation:

Conservation efforts means to carefully preserve or protect something. These efforts are fruitful when a majority of people or communities come together in order to preserve something good for the betterment of environment.

As when maximum number of people come lend their hands for help only then conservation efforts can be achieved.

For example, a city with maximum pollution can only be conserved when maximum groups of people decide to conserve plants or plant more number of trees.

Thus, we can conclude that conservation efforts are most effective when conservation efforts are most effective when multiple groups cooperate.

The type of bond between atoms of potassium and chloride in a crystal of potassium chloride a. hydrogen bond
b. ionic bond
c. polar covalent bond
d. pure covalent bond
e. metallic bond

Answers

It's an ionic bond because potassium is a metal and chlorine is a non-metal so the potassium donates an electron to the chlorine and so the potassium becomes a positive ion and the chlorine becomes a negative chloride ion. Opposite ion charges attract so an ionic lattice is formed.

Explain the term "amphoteric"

Answers

A substance either an ion or a molecule that can act either an acid or a base depending on a medium is called Amphoteric. Some metals like zinc, tin, copper and aluminium which produce either metal oxides or hydroxides are examples of amphoteric. During the Amphoterism, the metal compound acts either an acid or a base depending on their oxidation state.

How many grams of Cl are in 535 g of CaCl2?

Answers

m( $Ca Cl_(2)$ )=535 g
m(Cl)=?
The molar mass of $CaCl_(2)$ = 40.08 + 2 * 35.45 = 110.98
The atomic mass of Cl: 35.45 ( you can see it in the Periodic table)
110.98 g $CaCl_(2)$ - 35.45 * 2 g Cl
535 g $CaCl_(2)$ - x g Cl
Proportion:
110.98 : 535 = (35,45 * 2) : x
x = 535 * 35.45 * 2 / 110.98 = 37,931.5/110.98 = 341.79 g
Answer: m(Cl)=341.79 g

Gabriella weighs 450 N. She climbs a flight of stairs to a height of 3 m. It takes her 5 seconds. How much work does Gabriella do when she climbs the stairs?A.
150 J

B.
270 J

C.
1350 J

D.
2250 J

Answers

The formula that can be applied in this problem is W = Fd where W is work, F is the force and d is distance. You have 450N and 3m, all you have to do is to multiply it.

W = Fd

W = (450N) (3m)

W = 1350J

The answer is letter C.

Which substances are present in the net ionic equation for the reaction that would occur when MgCl2 (aq) is combined with H3PO4(aq) ? [Select all that apply.] A H+(aq) B Cl2−(aq) C Mg2+(aq) D Mg+(aq) E Mg3PO4( s) F Mg3(PO4)2(s) G Mg(aq) Cr (aq) H HCl(aq) MgPO4 (s) I Mg2(PO4)3 (s) J H3PO4(aq)

Answers

Answer:the correct options are A (H⁺(aq)) and E (Mg₃(PO₄)₂(s)).

Explanation:To determine which substances are present in the net ionic equation for the reaction between MgCl2(aq) and H3PO4(aq), we first need to write the balanced molecular equation and then separate it into ions to identify the spectator ions. Spectator ions are those ions that do not participate in the chemical reaction and remain unchanged.

First, let's write the balanced molecular equation:

MgCl2(aq) + 2H3PO4(aq) -> Mg3(PO4)2(s) + 6HCl(aq)

Now, let's break down the equation into ions:

Mg²⁺(aq) + 2Cl⁻(aq) + 2H₃PO₄(aq) -> Mg₃(PO₄)₂(s) + 6H⁺(aq) + 6Cl⁻(aq)

Now, let's identify the spectator ions, which are the ions that appear on both sides of the equation and do not change:

- Mg²⁺(aq) is present on both sides.

- Cl⁻(aq) is present on both sides.

So, the spectator ions are Mg²⁺(aq) and Cl⁻(aq).

Now, let's determine the substances that are part of the net ionic equation, excluding the spectator ions:

Net Ionic Equation: 2H₃PO₄(aq) -> Mg₃(PO₄)₂(s) + 6H⁺(aq)

From the net ionic equation, the following substances are present:

A. H⁺(aq)