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Anon25 [30]
3 years ago
10

Which pair of atoms will form an ionic compound? A) One atom of oxygen and two atoms of fluorine Eliminate B) One atom of calciu

m and two atoms of chlorine C) One atom of nitrogen and three atoms of fluorine D) Two atoms of nitrogen and four atoms of oxygen
Chemistry
2 answers:
wlad13 [49]3 years ago
4 0
An ionic compound is made up of a metal and a nonmetal. This eliminates answer choice A, C, and D because both of the elements listed are nonmetal.

Your correct answer is B) One atom of calcium and two atoms of chlorine. This is because calcium is a metal, and chlorine is a nonmetal.
suter [353]3 years ago
4 0

Answer : The correct option is, (B) One atom of calcium and two atoms of chlorine.

Explanation :

Ionic compound : It is a compound in which the atoms are bonded through the ionic bond.  The ionic bonds are formed between the one metal and one non-metal. It is formed by the complete transfer of electrons.

Covalent compound : It is a compound in which the atoms are covalently bonded. The covalent bonds are formed between two non-metals.  The covalent bonds are formed by the equal sharing of the electrons.

From the given options, only option (B) pair of atoms will form an ionic compound because calcium is a metal and chlorine is a non-metal. While the other options will not form an ionic compound because the two atoms are non-metals.

Hence, the correct option is, (B) One atom of calcium and two atoms of chlorine.

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12) _Na+ _H2O → ___ NaOH + __H2
TEA [102]

Answer:

Explanation:

2 Na+ 2 H2O →  2 NaOH + 1 H2

4 0
3 years ago
Which of the following statements best describes the relationships between carrying captivity in population size
Ierofanga [76]

The correct answer is letter a, whereas, carrying capacity in captivity increases population size. It is because the carrying captivity is the one responsible for having a maximum population size in which will help in sustaining the necessities that the species need in the environment in which makes it responsible for the population size to increase depending on its capacity. The correct answer is letter a.

4 0
4 years ago
What is the volume of 1.2 moles of oxygen gas (O2) at standard temperature and pressure (STP)?
REY [17]
Volume of O2 = 22.4 x moles of O2
                       =  22.4 x 1.2
                       =      26.88L
5 0
3 years ago
Read 2 more answers
MoO3+Al = ???<br> What are the products?
tigry1 [53]

Answer:

The electronic structures of pentacene/MoO3/Al and pentacene/Al were studied using in situ photoemission spectroscopy. The secondary electron cutoffs, highest occupied molecular orbitals (HOMOs) and core level changes were measured upon deposition of the pentacene and MoO3 to study the electronic structures at the interface.

Hope it helps!

3 0
3 years ago
How many molecules are there in 5.9 moles of NaCl?
choli [55]

The number of molecules= 3.55 x 10²⁴

<h3>Further explanation</h3>

Given

5.9 moles of NaCl

Required

The number of molecules

Solution

The mole is the number of particles(molecules, atoms, ions) contained in a substance  

1 mol = 6.02.10²³ particles

Can be formulated

N=n x No

N = number of particles

n = mol

No = Avogadro's = 6.02.10²³

So for 5.9 moles :

= 5.9 x 6.02 x 10²³

= 3.55 x 10²⁴

3 0
3 years ago
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