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Shkiper50 [21]
3 years ago
14

g The difference between an ionic bond and a covalent bond is that Select one: a. ionic bonds commonly occur between two metals

and covalent bonds occur between metals and nonmetals. be. ionic bonds are between atoms that can share electrons; covalent bonds are between atoms that will donate/accept electrons. c. covalent bonds come about because of a sharing of electrons; ionic bonds do not. d. ionic bonds are between smaller atoms; covalent bonds are between large atoms.
Chemistry
1 answer:
Bond [772]3 years ago
8 0

Answer:

C) Covalent bonds come about because of a sharing of electrons; ionic bonds do not.

Explanation:

There are two main types of chemical bonds- covalent and ionic/electrovalent bonds.

Ionic bond: Ionic or electrovalent bonds are characterized by the transfer of electrons from electropositive atoms (metals) to electronegative atoms (non-metals). The metal atoms after donating their electrons become positively charged ions (cations) while the non-metal atoms after accepting electrons become negatively charged ions (anions). Strong electrostatic forces of attraction constitutes ionic bonds.

Covalent bond: Covalent bonds are formed by the sharing of electrons by the atoms involved in the bond; usually between atoms of comparable electronegativities or atoms of the same element. The shared electrons are contributed by each of the atoms involved in the bonding or may be contributed by only one of the atoms. In covalent bonding, molecules rather than ions are formed.

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Korolek [52]

Answer:

A

Explanation:

There is a specific tool called an oil drill that drills into the ground and then a pipe sucks the oil up onto a vessle

8 0
3 years ago
Four gases were combined in a gas cylinder with these partial pressures: 3.5 atm N2, 2.8 atm O2, 0.25 atm Ar, and 0.15 atm He. W
liq [111]

The total pressure is 6.7 atm.  The mole fractions of O₂ and Ar are 0.42 and 0.037.

<em>p</em>(Tot) = <em>p</em>(N₂) + <em>p</em>(O₂) + <em>p</em>(Ar) + <em>p</em>(He) = 3.5 atm + 2.8 atm + 0.25 atm + 0.15 atm = 6.7 atm

χ(O₂) = p(O₂)/p(Tot) = 2.8 atm/6.7 atm = 0.42

χ(Ar) = p(Ar)/p(Tot) = 0.25 atm/6.7 atm = 0.037

6 0
4 years ago
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How much energy is required to raise the temperature of 3 kg of iron from 20°
Vinvika [58]

Answer:

Option C (6750 J) is the appropriate response.

Explanation:

The given values are:

Mass of iron,

m = 3 kg

Specific heat capacity,

c_A = 0.450

Temperature,

T = 25-20

  = 5^{\circ}C

Now,

⇒  Q=mc_A T

On substituting the values, we get

⇒      =3\times 0.450\times 5

⇒      =6.75

i.e,

⇒      =6750 \ J

8 0
3 years ago
A solution with a ph of 4 has _________ the concentration of h+ present compared to a solution with a ph of 5.
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A solution of a pH of 4 has 10 times the concentrations of H+ present compared to a solution with a pH of 5, where;
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the concentration of H+ of pH = 5 is
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8 0
4 years ago
Momentum is not equal to the mass of an object divided by its velocity true or false
xz_007 [3.2K]

True- That Momentum is not equal to the mass of an object divided by its velocity .

4 0
3 years ago
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