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serg [7]
3 years ago
13

In a covelant bond two atoms are held together by the attraction between ____. The number of covalent bonds that an atom can for

m depends on the number ___ in the atom.
Chemistry
2 answers:
Ad libitum [116K]3 years ago
8 0

Answer:

them,2

Explanation:

svlad2 [7]3 years ago
3 0

<u>Answer:</u> The correct answer is electron pairs and electrons.

<u>Explanation:</u>

Covalent bond is defined as the bond which is formed by the sharing of electrons between two atoms that are forming a compound.

A bond is formed when two electrons are shared between the atoms. In covalent bond, the atoms are held together by the attraction of electron pairs that are present between them.

Covalent bond can be single, double or triple bond. A single bond is formed when 2 electrons (1 electron pair) are present between the atoms.

A double bond is formed when 4 electrons (2 electron pairs) are present between the atoms.

A triple bond is formed when 6 electrons (3 electron pairs) are present between the atoms.

Hence, the correct answer is electron pairs and electrons.

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A 400 ml sample of gas is heated from -20 c to 60
Viktor [21]
Using p1v1/t1=p2v2/t2
p1=50
p2=225
v1=400ml
v2=?
t1=-20=253k
t2=60=333k
50x400/253=225xv2/333
7.9=0.7xv2
v2=7.9/0.7
v2=11.3ml
6 0
3 years ago
Read 2 more answers
The physical and chemical properties of a molecule depend on its structure. Here are two ball-and-stick models for two compounds
djyliett [7]

Answer:

Ethanol has covalent intramolecular bonds. Ethanol is polar. Ethanol has dispersion intermolecular forces. Dimethyl ether is polar. Dimethyl ether forms hydrogen bonds. Dimethyl ether has dispersion intermolecular forces.

Explanation:

Ethanol is not a carboxylic acid. It is an alcohol and it has covelent intramolecular bonds. It is polar and it also has dispersion intermolecular forces.

Dimethyl ether is also polar and it has forms hydrogen bonds. It also has dispersion intermolecular forces. Dimethyl ether does not have ionic intramolecular forces

7 0
3 years ago
Read 2 more answers
A particular atom has 58 protons and 82 neutrons. What are the atomic number, mass number, and periodic table symbol of this iso
anygoal [31]
Atomic Numbers are the number of protons within the nucleus,
which is 58 here.
Atomic Number=58
Mass Number is the sum of the protons and neutrons in the nucleus, 
=58+82
Mass Number=140
Periodic symbol of this isotope is entirely dependent on the number of protons, 58, which corresponds to the element Cerium, abbreviated as Ce in the periodic table. 
Periodic Symbol=Ce
5 0
3 years ago
PLEASE HELP!
fgiga [73]
150/30 = 5
HF1 20/2 = 10
HF2 10/2 = 5
HF3 5/2 = 2.5
HF4 2.5/2 = 1.25
HF5 1.25/2 = 0.625
Answer: 0.63g
5 0
2 years ago
Read 2 more answers
A 0.175 M solution of an enantiomerically pure chiral compound D has an observed rotation of +0.27° in a 1-dm sample
-BARSIC- [3]

Answer:

The specific rotation of D is 11.60° mL/g dm

Explanation:

Given that:

The path length (l) =  1 dm

Observed rotation (∝) = + 0.27°

Molarity = 0.175 M

Molar mass = 133.0 g/mol

Concentration in (g/mL) = 0.175 mol/L × 133.0 g/mol

Concentration in (g/mL) = 23.275 g/L

Since 1 L = 1000 mL

Concentration in (g/mL) = 0.023275 g/mL

The specific rotation [∝] = ∝/(1×c)

= 0.27°/( 1  dm ×  0.023275 g/mL )

= 11.60° mL/g dm

Thus, the specific rotation of D is 11.60° mL/g dm

3 0
3 years ago
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