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Finger [1]
2 years ago
10

How to do dots and cross diagrams

Chemistry
1 answer:
Likurg_2 [28]2 years ago
6 0

Answer:

Draw circles to represent the electron shell of each atom overlapping the circles where the atoms are bonded. Add dots to represent the outer electrons of one type of atom (H). Add crosses to represent the outer electrons of the other type of atom (Cl). Make sure the electrons are always in pairs.

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State five differences between compound and mixtures in a tabular form​
djyliett [7]

Answer:

The differences between compound and mixtures in a tabular form are as follow:

Both are written differently. Plz do write by making table at once.

Hope it help you

4 0
3 years ago
Define monosaccharide disaccharide and polysaccharide give at least two examples of each. which of these is the
Ainat [17]
Saccharides are carbohydrates, molecules containing Carbon (C), Hydrogen (H), and Oxygen (O). "Saccharo" means sugar in Greek. Also Greek, "mono" means one, "di" means two, and "poly" means many.
A sugar molecule is based upon a ring of carbons with H's and OH's attached. One sugar molecule alone is a monosacchararide, like glucose and fructose. Two sugar molecules bonded together covalently is a disaccharide, like lactose (milk sugar) and sucrose (table sugar). Many sugar molecules (upwards of hundreds or thousands) bonded together covalently is a polysaccharide. Examples are glycogen (animal starch) and cellulose (plant starch).
6 0
2 years ago
Please help with this chemistry question, image attached.
koban [17]

Answer:

The answer to your question is 0.67 moles of Glucose

Explanation:

Data

120 g of Glucose

convert to moles

Process

1.- Calculate the molar mass of Glucose

C₆H₁₂O₆ = (12 x 6) + (1 x 12) + (16 x 6)

              = 72 + 12 + 96

              = 180 g

2.- Remember that the molar mass of each molecule equals 1 mol. Use the rule of three to find the answer.

                        180 g ------------------- 1 mol

                         120 g ------------------ x                    

                         x = (120 x 1)/180

                         x = 120/180

                         x = 0.67 moles

3.- Conclusion

120 g of Glucose are equal to 0.67 moles.

8 0
2 years ago
It’s very confusing pls help me :)
dangina [55]
Physical is texture. chemical is ability to react with other elements. chemical is ability to conduct heat. hardness is physical. lack of ability to rust is chemical. state is physical.
7 0
2 years ago
S this equation balanced and in the lowest form? 4NH3 → 2N2 + 6H2
Mrrafil [7]
No it is not. the balanced equation is 2NH3 = N2 + 3H2
3 0
3 years ago
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