Carbon atoms can form single, double, or triple bonds because they have four valence electrons.

Chemistry

2 answers:

KATRIN_1 [288]3 years ago

6 0

Answer: True

Explanation:

Carbon has four valence electrons, so it can achieve a full outer energy level by forming four covalent bonds. When it bonds only with hydrogen, it forms compounds called hydrocarbons. Carbon can form single, double, or triple covalent bonds with other carbon atoms

Anni [7]3 years ago

3 0

Answer:

The answer to your question is true.

Explanation:

Carbons atoms have 4 valence electrons so they can form a great variety of bonds, like single bonds, double bonds and triple bonds.

single bond = C - C

double bonds = C = C

triple bonds = C ≡ C

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4 years ago

How many grams of cobalt (II) nitrate, Co(NO3)2, are required to make a 2.20%(w/v) aqueous solution in a 250 mL volumetric flask

shutvik [7]

Answer:

$\large \boxed{\text{5.50 g}}$

Explanation:

Percent means " per hundred," so % m/V means the grams of something in 100 mL of volume.

$\text{m/V \%} = \dfrac{\text{mass of solute} }{\text{volume of solution}} \times 100 \, \%$

Data:

m/V % = 2.20 %

V of solution = 250 mL

Calculations:

$\text{2.20 \%} = \dfrac{\text{mass of solute} }{\text{250 mL}} \times 100 \, \%\\\\\text{Mass of solute} = \dfrac{2.20\, \% \times \text{250 mL}}{100 \%} = \text{5.50 g}\\\\\text{The mass of Co(NO$_{3}$)$_{2}$ is $\large \boxed{\textbf{5.50 g}}$}$