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Gekata [30.6K]
3 years ago
12

When one atom contributes both bonding electrons in a single covalent bond, the bond is called a(n) ____?

Chemistry
2 answers:
andre [41]3 years ago
7 0
Coordinate covalent bond 
Damm [24]3 years ago
7 0

Answer:

coordinate covalent bond

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A solution contains 0.750 g of mg2 in enough water to make a 1875 ml solution. what is the milliequivalents of mg2 per liter (me
Karo-lina-s [1.5K]
The answer is "32.9 meq/liter".
1875ml = 1875 / 1000 = 1.875ml
mass of magnesium = 24.305 g
0.750 g Mg²+ x 1 mole Mg²⁺/24.305 g x 2 equivalents/mole
= 0.617 equivalents0.0617 eq x 1000 meq/eq = 61.7 meq37.4 meq/1.875 L = 32.9 meq/liter
4 0
3 years ago
Waves in the ocean are 6m apart and pass a surfer every 2 s. what is the wave speed​
Nataly_w [17]
  • Distance=6m
  • Time=2s

\\ \tt\hookrightarrow Speed=\dfrac{Distance}{Time}

\\ \tt\hookrightarrow Speed=\dfrac{6}{2}

\\ \tt\hookrightarrow Speed=3m/s

8 0
2 years ago
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How does a sample of helium at 15 degree Celsius compare to a sample of helium at 215 K?
Nadusha1986 [10]
The answer is A.
215K is equivalent to -58.15 °C and temperature corresponds with the average kinetic energy.
So the 15°C has a higher energy level than 215K.
5 0
3 years ago
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FIRST ONE TO RESPOND CORRECTLY GET BRAINLESS
Greeley [361]

Answer:

sorry but we can't answer without the  pic

Explanation:

3 0
3 years ago
Compare strontium with rubidium in terms of the following properties:
Ilya [14]

Answer:

Strontium is smaller

Strontium has the higher ionization energy

Strontium has more valence electrons

Explanation:

It must be understood that both elements belong to the same period i.e the same horizontal band of the periodic table

While Rubidium is an alkali metal(group 1) while Strontium is an alkali earth metal(group 2)

Since they are in the same period, periodic trends would be useful in evaluating their properties

In terms of atomic radius, rubidium is larger meaning it has a bigger atomic size

Generally, across the periodic table, atomic radius is expected to decrease and thus Rubidium which is leftmost is expected to have the higher atomic radius

Since strontium belongs to group 2 of the periodic table, it has 2 valence electrons which is more than the single valence electron that rubidium which is in group 1 has

In terms of ionization energy, the atom with the higher number of valence electrons will have the higher ionization energy which is strontium in this case

6 0
3 years ago
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