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taurus [48]
3 years ago
7

Name two events involving electrons that can result in the formation of chemical bonds between atoms.

Chemistry
1 answer:
Alona [7]3 years ago
6 0

Explanation:

Two events involving electrons are gain and loss of electrons.

When there is gain or loss of electrons between two atoms then it results in the formation of ionic bond.

Whereas when there is sharing of electrons between two atoms then it results in the formation of covalent bond.

Therefore, the chemical bonds formed can be ionic or covalent bonds.

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A liquid has a density of 4.26g/ml. It has a mass of 2.2g. What is the volume of the liquid?
serg [7]

Answer:

Volume = .5164 ml

Explanation:

These are the equations you need to learn.

Density = \frac{mass}{volume}

Volume = \frac{Mass}{Density}

Mass = Density * Volume

Apply these concepts to your problem

4.26 g/ml = \frac{2.2g}{x}

V = \frac{2.2g}{4.26g/ml}

Divide 2.2/4.26

V = 0.5164319248826291

Volume = .5164ml

5 0
3 years ago
Read 2 more answers
Which of the following is not the same as 0.00684 kg?
olchik [2.2K]

kg and all the given units are units used to measure mass.

kg is the standard unit to measure mass

lets find the value of 0.00684 kg in all the given units

a. dkg

1 kg is equivalent to 100 decagram (dkg)

therefore 0.00684 kg is = 100 dkg/kg x 0.00684 kg = 0.684 dkg

this is not the given value therefore this choice is incorrect

b. 1 kg is equivalent to 1000 g

therefore 0.00684 kg = 1000 g/kg x 0.00684 kg = 6.84 g

this is the given value so this is correct

c. 1 kg is equivalent to 100 000 centigrams (cg)

therefore 0.00684 kg = 100 000 cg/kg x 0.00684 kg = 684 cg

this is the given value so this is also correct

d) 1 kg is equivalent to 1 000 000 mg

therefore 0.00684 kg = 1 000 000 mg/kg x 0.00684 kg = 6 840 mg

this too is correct

the incorrect answer is A. 0.0684 dkg

5 0
3 years ago
Read 2 more answers
Most substances can exist as a solid, liquid, or gas depending on ? ( science
earnstyle [38]

Answer:

The amount of energy in molecules of matter determines the state of matter.

Explanation:

The amount of energy in molecules of matter determines the state of matter. Matter can exist in one of several different states, including gas, liquid, or solid-state.

3 0
2 years ago
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Connie was making sodium chloride by adding an acid to an alkali. She followed the progress of the reaction with a pH sensor. At
Misha Larkins [42]

⇒Answer:

When the pH sensor hits pH=7.

⇒Explanation:

Because pH=7  is the indicator that the acid and alkali have been neutralized.

5 0
2 years ago
How do the test variables (independent variables) and outcome variables (dependent variables) in an experiment compare? A. The o
SVETLANKA909090 [29]

Answer:

C.

Explanation:

8 0
3 years ago
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