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3 years ago

Which of the following is true of ionic bonds?

Chemistry

1 answer:

emmasim [6.3K]3 years ago

5 0

Answer:

D: The bond is created by oppositely charged metal and nonmetal atoms.

Explanation:

An ionic metal basically involves a metal and a nonmetal in bonding. A metal is a cation with a + charge and a nonmetal is a anion with a - charge. I will give you an example. Magnesium Chloride is a ionic bond. This is because Magnesium is a metal with a +2 charge(so it is a cation). Chloride or Chlorine is a nonmetal because it has a -1 charge.(so it is a anion). The chemical formula for magnesium chloride is MgCl2.

Hope my answer helped! Have a great day.

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A current of 0.15 A is passed through an aqueous solution of K2PtCl4. How long will it take to deposit 1.00 g Pt(s) (M = 195.1)?

murzikaleks [220]

First calculate the electric charge used to deposit 1.0 g Pt

C = (1.0 g Pt) (1 mol Pt / 195.1 g Pt) ( 2 mol e / 1 mol Pt) ( 96485 C / 1 mol e)

C = 989.08 C

C = It

Where I is the current

T is the time

T = C / i

T = 989.08 C / 0.15 A

T = 6593.88 s

T = 1.83 hrs

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3 years ago

If Tins’s mass number is 119 and it’s atomic number is 50, how many neutrons are in the nucleus of an atom of tin?

GuDViN [60]

Answer:69

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3 years ago

Which one is the answer

SpyIntel [72]

Answer:

The answer is the Third one

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4 years ago

An iron ball is dropped onto a pavement from a height H. If half of the heat generated goes into warming the ball, find the temp

mr Goodwill [35]

The given question is incomplete. The complete question is as follows.

A 10 kg iron ball is dropped onto a pavement from a height of 100 m. If half of the heat generated goes into warming the ball,find the temperature increase of the ball. (In Sl units, the specific heat capacity of iron is 450 J/kg.C degree).

Explanation:

In the given case, when the ball comes in contact with the pavement then its kinetic energy will be equal to potential energy of the ball before it was dropped. Half the K.E heats the ball.

As K.E = P.E = mgh

So, mgh = $10 \times 10 \times 100$ = 10,000 joules

And, half of this is 5,000 joules

As we know that

Q = $m \times C \Delta T$

5000 = $450 \times 10 \times \Delta T$

$\Delta T = \frac{5000}{4500}$

= 1.11 degrees

Also, in the given situation

$\frac{mgh}{2} = m \times C \times \Delta T$

Since there is an m on both sides of the equation, we will divide both sides by m and the resulting equation will be as follows.

$\frac{gh}{2} = c \times \Delta t$

As, the result is independent of mass which is why the result is the same for any ball of any mass.

4 0

4 years ago

Name the element described in each of the following:

Likurg_2 [28]

A collection of elements in a group share chemical properties.

What is Periodic Table?

The elements are arranged in groups and periods on the periodic table. There is a great deal of chemical similarity between the elements in the same group. Only the number of valence shells is the same for elements that belong to the same period.

Each statement refers to the following elements:

(a) Smallest atomic radius in Group 6A(16) - oxygen

(b) Largest atomic radius in Period 6 - cesium

(d) Highest IE₁ in Group 4A(14) - carbon

(e) Lowest IE₁ in Period 5 - Bismuth

(g) Group 3A(13) element that forms the most basic oxide - Thallium

(h) Period 4 element with filled outer level - krypton

(i) Condensed ground-state electron configuration of [Ne] 3s²3p² - silicon

(j) Condensed ground-state electron configuration of [Kr] 5s²4d⁶- xenon

(k) Forms 2+ ion with electron configuration [Ar] 3d³ - vanadium

(l) Period 5 element that forms 3+ ion with pseudo–noble gas configuration - Indium

(m) Period 4 transition element that forms 3+ diamagnetic ion - Scandium

(n) Period 4 transition element that forms 2+ ion with a halffilled d sublevel - Manganese

(o) Heaviest lanthanide - Lutetium

(p) Period 3 element whose 2- ion is isoelectronic with Ar - sulfur

(q) Alkaline earth metal whose cation is isoelectronic with Kr - Strontium

(r) Group 5A(15) metalloid with the most acidic oxide - nitrogen

To learn more about periodic table click on the link below:

brainly.com/question/569321

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2 years ago