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Darya [45]
3 years ago
10

When two atoms combine by sharing electrons, it is a(n) _____ bond. ionic covalent

Chemistry
2 answers:
NNADVOKAT [17]3 years ago
6 0

Answer: covalent

Explanation:

A covalent bond is formed when an element shares its valence electron with another element. This bond is formed between two non metals.

For example: BrF_3

An ionic bond is formed when an element completely transfers its valence electron to another element. The element which donates the electron is known as electropositive element and the element which accepts the electrons is known as electronegative element. This bond is formed between a metal and an non-metal.

For Example: NaCl

SCORPION-xisa [38]3 years ago
4 0
Covalent bond is the sharing of electrons between two or more atoms.
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almond37 [142]

Answer:The solution contains 0.50 mol or 55 g of CaCl2 . You know there are 2.0 mol of CaCl2 in 1 L of solution. (40.08 + 2 × 35.45) g=(40.08 + 70.90)

g=110.98 g

Explanation:

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3 years ago
What is the symbol of the species with 23 protons and 21 electrons?
9966 [12]

V^{2+}is the symbol of the species with 23 protons and 21 electrons.

Hence, option F is correct.

<h3>What is a proton?</h3>

Electrons are a type of subatomic particle with a negative charge. Protons are a type of subatomic particle with a positive charge.

If it has 23 protons, then its proton number (also know as its atomic number) is 23. You can look that symbol up in your periodic table.

If it has 21 electrons then it has a net charge of 23(+) - 21. So we know the ionisation state of the species, and we can record that as a superscript after the symbol for the species.

Hence, V^{2+} is the symbol of the species with 23 protons and 21 electrons.

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8 0
3 years ago
What is formula for chromium (III) phosphate trihydrate and cobalt (II) phosphate octahydrate
Bezzdna [24]
The formula for  chromium (III) phosphate is CrPO4. This compound exists as a green crystal and as a hydrated form violet crystal having the formula of CrPO4•4H2O. The formula for cobalt(II) phosphate octahydrate is Co3(PO4)2•8H2O. It exists as an hydrated form.
4 0
3 years ago
How many moles of potassium chloride (KCI) are in 252 mL of 0.33 mil/L KCI
Rom4ik [11]

Answer:

0.083 moles KCl

Explanation:

We have 252 mL of 0.33 M KCl. "M" is molarity, and it's measured in mol/L. Since we know the molarity is 0.33 mol/L, in order to find how many moles 252 mL is, we need to multiply our given volume by the molarity.

However, our given volume is in mL, so let's convert to L first by dividing 252 by 1000 (because there are 1000 mL in 1 L):

252/1000 = 0.252 L

Now, we can multiply 0.252 L by 0.33 mol/L to get moles since the L units will cancel out:

0.252 L * 0.33 mol/L = 0.08316

We have two significant figures here, so round 0.08316 to 0.083.

The answer is 0.083 moles.

Hope this helps!

7 0
3 years ago
A block weighing 13.15 grams has sides of 11.5 cm, 5.75 cm, and 8.44 cm. What is the density of the block in g/cm?
vitfil [10]

Answer:

B. or .0236

Explanation:

Multiply the 3 sides to get 558.095, then divide the mass and volume to get .0236

7 0
3 years ago
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