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labwork [276]
3 years ago
10

Which type of bonds or interactions between atoms is the strongest?

Chemistry
1 answer:
Thepotemich [5.8K]3 years ago
4 0
The answer is: Convalent. i think
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A bar of metal has a volume of 4.5 cm3 and a mass of 33 g. What is the<br> density of the metal?
raketka [301]

Answer:

the density of metal is 7.33 g/cm³.

Explanation:

Density:

Density is equal to the mass of substance divided by its volume.

Units:

SI unit of density is Kg/m3.

Other units are given below,

g/cm3, g/mL , kg/L

Formula:

D=m/v

D= density

m=mass

V=volume

Given data:

Volume of bar metal = 4.5 cm³

Mass of bar metal = 33 g

Density = ?

Solution:

d = m/v

d = 33 g/ 4.5 cm³

d = 7.33 g/cm³

8 0
4 years ago
What is the term for a chemical that dissociates into anions and cations that are neither hydroxide nor hydrogen ions?
Mademuasel [1]
<h3>Answer:</h3>

                   SALT

<h3>Explanation:</h3>

           Salt is formed by the opposite ions bonded to each other through Ionic Bond. The two ions i.e. Cation and Anions are formed by oxidation and reduction reactions respectively. General dissociation of salt is represented as,

                                            MN     →     Mⁿ⁺ + Nⁿ⁻   

where;

                Mⁿ⁺   =  Cation

                Nⁿ⁻   =  Anion

                MN  =  Salt

Following is the list of salts which when when dissociates produces Cations and Anions other than OH⁻ (Hydroxide) and H⁺ (Hydrogen Ion).

Magnesium Sulfate:

                                MgSO₄    →    Mg²⁺  +  SO₄²⁻

Sodium Chloride:

                                NaCl    →    Na⁺  +  Cl⁻

Sodium Carbonate:

                                Na₂CO₃    →    2 Na⁺  +  CO₃²⁻

Ammonium Dichlorate:

                                (NH₄)₂Cr₂O₇    →    2 NH₄⁺  +  Cr₂O₇²⁻

8 0
3 years ago
Explain why is there no chemical equation to describe what happens when water evaporates?
Lady bird [3.3K]
There is no chemical equation to describe what happens when water evaporates because water changing its state/form is a physical change, not a chemical change. All that happens is that the water molecules separate from each other a little bit. A chemical equation requires something to react with another.
7 0
4 years ago
Please answer the following questions....Very urgent!
labwork [276]

Answer:

59.92 × 10²³ atoms are in 9.95 moles of iron

1.8 ×10²² molecules are in 0.03 moles of Carbon dioxide

1.19 moles are found in 7.20 x 10^23 atoms of platinum

7 0
3 years ago
Which is a correct comparison between the modern quantum model and John Dalton’s model of the atom?
REY [17]

Answer:

Explanation:

The modern model recognizes particles in the atom, whereas Dalton's model does not.

7 0
3 years ago
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