Which of the following would you expect to form an ionic bond when combined?. . .A. Ca and O. .B. N and O. C. Ca and Mg. . D. N and He

Answers

Answer 1
Answer: Ionic bonding is defined as the total transfer of valence electrons between atoms. What happens in ionic bonding is that a metal loses electrons to become a positive charged cation. On the other hand, the nonmetal receives those electrons to become a negatively charged anion. From the given choices above, the option that you would expect to form an ionic bond when combined is option A. Ca and O.

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Identify each of the following as either a physical change or a chemical change. Explain your answers.A. a piece of wood is sawed in half.
B. milk turns sour.
C. melted butter solidifies in the refrigerator.

Answers

A. physical
B. Chemical 
C.Physical

Answer:

A would be Physical

B would be Chemical

and C would be Physical

Explanation:

A would be physical because the wood is physically changing

B would be chemical because it's still milk but it now had clumps called curds and a very sour taste

C would be physical because the melted butter is physically changing from melted butter to solid butter.

Hope this helps.

Which of the following explains why hot liquids have a greater average energy of motion than cold liquids? *Hot liquids have more electrons
Cold liquids have more electrons.
Particles in hot liquids move faster than particles in cold liquids
Particles in cold liquids move faster than particles in hot liquids.

Answers

Particles in hot liquids move faster than particles in cold liquids. The faster a particle moves, the greater its kinetic energy.

The number of electrons in a particle has nothing to do with its kinetic energy.

Particles in cold liquids move more slowly than particles in hot liquids.

The material you should use in the windshield washer container is? usually a special windshield washing solution

Answers

The material you should use in the windshield washer container is a special windshield washing solution.

Using the wrong material in the windshield washer container can cause damage to the windshield and the washer system itself. A special windshield washing solution is specifically designed to clean the windshield effectively and safely, without leaving streaks or residue.

There are several types of special windshield washing solutions available in the market, each with its own set of benefits and features. Some of the most common types include:

1. Deionized water: This type of solution is distilled and purified to remove impurities and minerals that can leave streaks on the windshield. Deionized water is gentle on the windshield and the washer system, and it is effective in removing dirt and grime.

2. Isopropyl alcohol: This type of solution is a mixture of isopropyl alcohol and water. It is effective in removing dirt and grime, and it also helps to dry the windshield quickly. However, it can be too harsh on some types of windshields, so it is important to use it with caution.

3. Glycerin-based solution: This type of solution is made with glycerin, which is a natural humectant that helps to prevent the windshield from drying out. It is also effective in removing dirt and grime, and it leaves the windshield streak-free.

When choosing a special windshield washing solution, it is important to consider the type of windshield you have, as well as the climate and weather conditions in your area. For example, if you live in an area with high humidity, a glycerin-based solution may be the best choice, as it helps to prevent the windshield from fogging up.

It is also important to note that some special windshield washing solutions may not be compatible with certain types of windshields, such as those made of polycarbonate or acrylic. It is always a good idea to consult the manufacturer's instructions before using any solution in your windshield washer container.

In summary, the material you should use in the windshield washer container is a special windshield washing solution that is specifically designed for the type of windshield you have and the climate and weather conditions in your area. It is important to choose a solution that is gentle on the windshield and the washer system, and that is effective in removing dirt and grime.

What element is found in fish

Answers

The elements found in fish are Mercury, Cadmium, Lead, Tin and Arsenic
Your answer is Mercury, Cadmium, Lead, Tin and Arsenic
Well toxic elements found in fish are Mercury, cadmium, lead, tin, and arsenic.

Which two factors must be equal when a chemical reaction reaches equilibrium?(1) the concentration of the reactants and the concentration of the products
(2) the number of reactant particles and the number of product particles
(3) the rate of the forward reaction and the rate of the reverse reaction
(4) the mass of the reactants and the mass of the products

Answers

The correct answer is option 3. Equilibrium is achieved in a chemical reaction when the rate of the forward reaction is the same for the rate of the backward reaction and when the reaction has stopped.

In a play, the rising action consists of the events that lead up to thea. last line in the scene.
c. external conflict.
b. climax.
d. internal conflict.

Answers

It leads up to the climax.
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