Explanation: Sodium is a metal with a low electronegativity it will form an ionic bond with a non metal with a high electronegativity.
Both Florine and Sulfur are non metals with high electronegativity.
Neon is a noble gas family VIII A and normally doesn't form any bonds at all.
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Answer:
A water molecule consists of two atoms of hydrogen linked by covalent bonds to the same atom of oxygen. Atoms of oxygen are electronegative and attract the shared electrons in their covalent bonds.
Answer:
11.
Explanation:
[OH⁻] = 0.001 M.
∵ pOH = - log[OH⁻]
∴ pOH = - log(0.001 M) = 3.
<em>∵ pH + pOH = 14.</em>
∴ pH = 14 - pOH = 14 - 3 = 11.
Answer:
The answer is
<h2>2.74 g/mL</h2>
Explanation:
The Density of a substance can be found by using the formula
From the question
mass of rock = 12.34 g
volume = final volume of water - initial volume of water
volume = 54.5 mL - 50 mL = 4.5 mL
So the density is
We have the final answer as
<h3>2.74 g/mL</h3>
Hope this helps you
Molarity of a solution is the molar concentration, which is the number of moles of solute in 1 L of solution.
the mass of glucose is - 125 g
number of moles of glucose - 125 g / 180.16 g/mol = 0.694 mol
the number of moles of glucose in 650.0 x 10⁻³ L - 0.694 mol
number of moles of glucose in 1 L - 0.694 mol / 650.0 x 10⁻³ L = 1.068 mol/L
molarity of glucose solution is 1.068 M
