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babymother [125]
3 years ago
9

Helium (He), oxygen (O), carbon (C) fluorine (F), and chlorine (Cl) are all nonmetals. Using the periodic table, which pair of n

onmetals do you predict has the most similar properties, and why
Chemistry
1 answer:
Delicious77 [7]3 years ago
7 0

Answer:

fluorine (F), and chlorine (Cl) because they are both halogens and belong to the same group in the periodic table

Explanation:

The pair of non - metals in the elements given that will have similar properties are chlorine and Fluorine.

This is because they both are elements commonly known by the group name Halogens which belong to group 7A.

Properties of halogens include;

- They are very reactive, have single covalent bonds and readily form other compounds.

- In the gaseous state, they will form diatomic covalent molecules.

Whereas, helium is a group 8 element, oxygen is a group 6 element while carbon is a group 4 element.

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Tanya [424]

Answer:

Convection

Explanation:

3 0
2 years ago
Read 2 more answers
What term describes a carbon atom that has four different groups bonded to it?
oee [108]
A carbon which is attached to four different atoms or group of atoms with different environment is called as Chiral Carbon or Asymmetric Carbon.

Non-<span>superimposable:
</span>                                     The mirror image (molecule) of chiral carbon cotaining compounds are Non.Superimposable on each other. They are called enantiomers of each other.

Polarized Light and Chiral Carbon:
                                                       When a polarized light is allowed to fall on either enantiomer of chiral compound, it is rotated other clockwise or anti-clockwise.

Examples:
                Below are three axamples of compounds containing chiral carbon.

8 0
2 years ago
Which type of radiation involves the conversion of a neutron into a proton?
romanna [79]

Answer:

B. Beta

Explanation:

Neutron -> proton = responsible by Beta particles.

3 0
1 year ago
Which shows the potential energy of particles in three substances, from least to greatest? liquid, solid, gas liquid, gas, solid
AleksandrR [38]

Answer:

Gas liquid solid

Explanation:

gases have a weak potential since they have a weak bond between molecules while in solids it's the strongest making them vibrate in a fixed position

3 0
2 years ago
An antacid tablet with an active ingredient of CaCO3 was dissolved in 50.0 mL of 0.300 M HCl. When this solution was titrated wi
yaroslaw [1]

Answer:

Explanation:

mole of HCl remaining after reaction with CaCO₃

= .3 M of NaOH of 32.47 mL

= .3 x .03247 moles

= .009741 moles

Initial HCl taken = .3 x .005 moles = .0015 moles

Moles of HCl reacted with CaCO₃

= .009741 - .0015 = .008241 moles

CaCO₃     +    2HCl   =   CaCl₂  +  CO₂  +  H₂O .

1 mole        2 moles

2 moles of HCl reacts with 1 mole of  CaCO₃

.008241 moles of HCl reacts with .5 x .008241 moles of  CaCO₃

CaCO₃ reacted with HCl =  .5 x .008241 = .00412 moles

the mass (in grams) of calcium carbonate in the tablet

= .00412 x 100 = .412 grams . ( molar mass of calcium carbonate = 100 )

5 0
2 years ago
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