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kari74 [83]
3 years ago
15

Which of these items best describes the arrangement of electrons in an atom of sulfur? A. Two electrons in its first energy leve

l; two electrons in its second energy level; eight electrons in its third energy level; four valence electrons in its outermost energy level B. Two electrons in its first energy level; eight electrons in its second energy level; six valence electrons in its outermost energy level C. Two valence electrons in its first energy level; eight electrons in its second energy level; six electrons in its outermost energy level D. Eight electrons in its first energy level; eight valence electrons in its outermost shell
Chemistry
1 answer:
Vesnalui [34]3 years ago
8 0
Two electrons in it's first energy level; eight electrons in it's second energy level; and six valence electrons in it's outermost energy level
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Which pair of elements is most apt to form an ionic compound with each other?
sweet [91]
Ionic compounds are compounds that are formed together by a cation and an anion. A cation is an ion with a positive charge. For example, Na+ and Ca2+. An ion has a negative charge, like Cl- and OH-. There is a greater chance of forming an ionic compound when they have a great difference in electronegativity, the ability to attract electrons toward itself. In the periodic table, elements that are opposite to each other, more likely found in opposite sides, would be more apt to form an ionic compound. Example would be NaCl and CaCl2 or Ca(OH)2.
7 0
2 years ago
Identify whether each compound is a straight chain, branched chain, or cycloalkane,
Delvig [45]

Answer:

First Part: branched chain, cycloalkane, straight chain

Second Part: straight chain, branched chain, cycloalkane.

Explanation:

Edg 2021

7 0
2 years ago
What causes a substance to change states of matter?
kolezko [41]
Salutations!

What causes a substance to change states of matter?

Energy causes a substance to change states of matter. A matter needs energy to melt, evaporate, boil. Remember: Energy has a sudden change, but the temperature remains absolutely the same. An example of a change in energy is when ice is melting.

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8 0
3 years ago
A chemistry student needs 50.0 g of methyl acetate for an experiment. By consulting the CRC Handbook of Chemistry and Physics, t
slamgirl [31]

Explanation:

As density is defined as the mass of a substance divided by its volume.

Mathematically,         Density = \frac{mass}{volume}

It is given that mass is 50 g and density is 0.934 g/cm^{3}.

Hence, calculate the volume of methyl acetate as follows.

                     Density = \frac{mass}{volume}

             0.934 g/cm^{3} = \frac{50 g}{volume}

                       Volume = 53.53 cm^{3}

or,                                  = 53.53 ml                (as 1 cm^{3} = 1 mL)

Thus, we can conclude that the volume of methyl acetate the student should pour out is 53.53 ml.

3 0
2 years ago
Please help! I can’t get any answers!!
liberstina [14]
It Emeterio near the North Pole of the worlddddddd
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2 years ago
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