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Gelneren [198K]
3 years ago
7

Which refers to the type of chemical bond that involves the transfer of electrons between atoms? O metallic O polar covalent Oio

nic O covalent​
Chemistry
2 answers:
Amanda [17]3 years ago
6 0

Answer:

Ionic bonding

Metal atom transfers electron(a) to non metal atom

Lilit [14]3 years ago
6 0

Answer:

C-

Ionic

Explanation:

Just did the quiz

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How many mL of a 4.50 (m/v)% solution would contain 23.0 g of solute?
nlexa [21]
23.0 g/ (4.50 g/ mL) gives 5.11 mL as the volume.
4 0
3 years ago
Read 2 more answers
Which formula is an empirical formula?
poizon [28]
<h2>Hello!</h2>

The answer is:

The empirical formula is the option B. NH_{3}

<h2>Why?</h2>

The empirical formula of a compound is the simplest formula that can be written. On the opposite, the molecular formula involves a variant of the same compound, but it can be also simplified to an empirical formula.

MolecularFormula=n(EmpiricalFormula)

We are looking for a formula that cannot be simplified by dividing the number of molecules/atoms that conforms the compound.

Let's discard option by option in order to find which formula is an empirical formula (cannot be simplified)

A. N_{2}O_{4}

It's not an empirical formula, it's a molecular formula since it can be obtained by multiplying the empirical formula of the same compound.

N_{2}O_{4}=2(NO_{2})

B. NH_{3}

It's an empirical formula since it cannot be obtained by the multiplication of a whole number and the simplest formula. It's the simplest formula that we can find of the compound.

C. C_{3}H_{6}

It's not an empirical formula, it's a molecular formula since it can be obtained by multiplying the empirical formula of the same compound.

C_{3}H_{6}=3(CH_{2})

D. P_{4}O_{10}

It's not an empirical formula, it's a molecular formula since it can be obtained by multiplying the empirical formula of the same compound.

P_{4}O_{10}=2(P_{2}O_{5})

Hence, the empirical formula is the option B. NH_{3}

Have a nice day!

6 0
3 years ago
Read 2 more answers
Н
nevsk [136]

Answer:

C4H90H

Explanation:

nskwjxnxnxnslq

6 0
3 years ago
Which statements describe functions of the backbone? Check all that apply.
Ronch [10]

Answer:

A and E

Explanation:

Backbone is the part of skeletal system and is made of 26  vertebrae in total. The backbone and bones of lower limbs together serve to support the body's weight. Backbone surrounds and protects the spinal cord. Since the vertebrae of backbone are joints together by synovial joints, it allows the flexibility and movement of organisms.

4 0
3 years ago
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In the 4th paragraph, it says disturbances like "accelerated erosion, or change in vegetation cover" tend to persist and grow ov
deff fn [24]

Answer:

Erosion is the washing away of the uppermost part of the earth crust. Once erosion starts it only gets worse because, erosion wash away further soil, causing the eroding channel to futher expand, increasing the erosion.

Lack of vegetative cover allows erosion which washes away soil nutrients, further worsening the soil against soil vegetative cover.

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3 years ago
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