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sweet [91]
2 years ago
6

5 points IF U ANSWER THE QUESTION CORRECTLY

Chemistry
2 answers:
dlinn [17]2 years ago
8 0

Answer:

I thank the other persons answer is the best answer

Explanation:

asambeis [7]2 years ago
6 0

Answer:

No matter how well how much you accomplish, or how much good you put into the world, you will always have haters. An unfortunate aspect of life is that some people hate when others do well.It’s just a way of life.some people just are jealous but dont let people brake you down.

Explanation:

hope this helps

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Bess [88]
Alkaline Earth Metals are the elements located in the second period from the left of the periodic table. These elements lose two electrons to form the stable octet when forming an ionic bond, resulting in a net charge of +2. Because they’re trying to get rid of those electrons to get to the stable octet, it’s easy to remove them - this means that the ionization energy of these elements is relatively low. Finally, since they’re looking to get rid of electrons, they certainly aren’t trying to gain any, meaning that their electronegativity is relatively low.

The correct answers are A and D.
3 0
3 years ago
Read 2 more answers
Explain, in terms of charge distribution, why a molecule of carbon tetrachloride is a nonpolar molecule.​
Pie

Answer:

Explanation:

The covalent bond is the chemical bond between atoms where electrons are shared, forming a molecule. Covalent bonds are established between non-metallic elements, such as hydrogen H, oxygen O and chlorine Cl. These elements have many electrons in their outermost level (valence electrons) and have a tendency to gain electrons to acquire the stability of the electronic structure of noble gas.

The covalent bond between two atoms can be polar or nonpolar. If the atoms are equal, the bond will be nonpolar (since no atom attracts electrons more strongly). But, if the atoms are different, the bond will be polarized towards the most electronegative atom, because it will be the atom that attracts the electron pair with more force. Then it will be polar.

It can occur in a molecule that the bonds are polar and the molecule is nonpolar. This occurs because of the geometry of the molecule, which causes them to cancel the different equal polar bonds of the molecule.

In carbon tetrachloride the bonds are polar, but the tetrahedral geometry of the molecule causes all four dipoles to cancel out and the molecule to be apolar.

6 0
3 years ago
Which metal is most likely to form more than one kind of positively charged ion?
nataly862011 [7]
C. Nickel, hope this helps!
4 0
3 years ago
An aqueous solution of Pb(NO3)2 is made by placing 275 g of solid Pb(NO3)2 into a volumetric flask and adding water to the 1.00
Anarel [89]

Answer:

A) 0.831 M

B) 1.07 m

C) 26.2%

D) 0.0189

Explanation:

A) First we convert the mass of Pb(NO₃)₂ to moles:

  • 275 g ÷ 331 g/mol = 0.831 mol Pb(NO₃)₂

Then we divide it by the total volume (1.00 L) to calculate the molarity:

  • 0.831 mol / 1.00 L = 0.831 M

B) We convert the grams of water to kilograms:

  • 775 g / 1000 = 0.775 kg

Then we divide the Pb(NO₃)₂ by the kilograms of water:

  • 0.831 mol / 0.775 kg = 1.07 m

C) We divide the mass of Pb(NO₃)₂ by the total mass of the solution:

  • \frac{gPb(NO_{3})_{2}}{gPb(NO_{3})_{2}+gH_{2}O} *100% =\frac{275}{275+775} * 100% = 26.2%

D) We calculate the moles of water:

  • 775 g H₂O ÷ 18g/mol = 43.1 mol H₂O

Then we divide the Pb(NO₃)₂ moles by the total number of moles:

  • \frac{0.831}{0.831+43.1} = 0.0189
6 0
3 years ago
A car is driven for 3 hours. What else do you need to know to describe this car's speed?
s2008m [1.1K]

Answer: Distance the car has driven

Explanation:

The speed equation is speed=distance/time and since we already know time we need to know distance to solve for speed

4 0
3 years ago
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