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weeeeeb [17]
3 years ago
11

What happened to the color of the red and blue litmus paper magnesium oxide​

Chemistry
1 answer:
3241004551 [841]3 years ago
3 0

Answer:

So on dissolution, it will produce magnesium hydroxide which is a base and the solution will be basic in nature. So it will change the color of red litmus paper to blue, and blue will remain the same.

Explanation:

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All p block elements form ions.<br> True or False
FinnZ [79.3K]

Answer:

No this statement is false.

Explanation:

when an atom lose or gain the electron ions are formed. If the atom lose an electron the positive ions are formed called cations while anion is formed by the gaining of electron by an atom The elements having less electrons in valance shell usually lose their electrons while the elements like halogens having 7 valance electrons gain an electron to complete the octet. while p block elements noble gases are inert, their outer most valance shell is complete so they do not form ions.

P block elements are non-metals, metals and metalloids. These are thirty five elements. The P-block elements are present on right side of periodic table. There valance electrons are present in P orbital. The p-block metals are shiny and good conductor of heat and electricity. These metal lose the electron which is accept by non metals and form ionic bond. They have high melting points.

Metalloids includes boron, silicon, germanium, arsenic, antimony and tellurium. Metalloids contain both the properties of metals and non metals, Some metalloids are toxic like arsenic.

Most of p-block elements are non metals. They are bad conductor of heat and electricity and have low boiling points. The non metals mostly accept the electron from the metals and usually from ionic bond like in case of chlorine. It form the ionic compound with sodium.

The sodium chloride which is an ionic compound, formed by the complete transfer of electron from sodium to chlorine atom and form ionic bond. In this ionic compound sodium carry positive charge and chlorine carry negative charge there is attraction between these oppositely charged atoms.

4 0
3 years ago
The electrons involved in forming chemical bonds are the what electrons
Helga [31]
The valence electrons should be the correct answer
8 0
3 years ago
All of the covalent carbon-carbon bonds in unsaturated hydrocarbons share 2 pairs of electrons.
Evgen [1.6K]

False. carbon-carbon bonds that share 2 pairs of electrons are double bonds. An unsaturated hydrocarbon isnt necessary to only have double bonds. they can also have single bonds or triple bonds.

5 0
3 years ago
Read 2 more answers
How many atoms exist in 100.0 grams of lithium
Feliz [49]
Mass of Li: 6.94 g Li
Conversion relationship: 1 mole Li=6.94 g Li
100.0 g Li 1 mole Li
---------- x ---------- = 14.4 moles Li
1 6.94 g Li
Conversion relationship: 1 mole Li=6.02x10^23 atoms Li
14.4 moles Li 6.02x10^23 atoms Li
-------------- x ----------------------- = 8.67x10^24 atoms Li
1 1 mole Li
3 0
2 years ago
If a metal has a density of 8.9 g/ml, and a volume of 200mls, what is the mass?
drek231 [11]

Answer:

<h3>The answer is 1780 g</h3>

Explanation:

The mass of a substance when given the density and volume can be found by using the formula

<h3>mass = Density × volume</h3>

From the question

volume of metal = 200 mL

density = 8.9 g/mL

We have

mass = 8.9 × 200

We have the final answer as

<h3>1780 g</h3>

Hope this helps you

8 0
3 years ago
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