2 years ago

Periodic Table: Why are group 1A elements called alkali metals?

Chemistry

1 answer:

FrozenT [24]2 years ago

5 0

Answer:

Explanation:

The elements in Group I of the periodic table are called alkali metals. They are called alkali metals because they react with water to form alkali solutions. These metals are very reactive; hence they have to be stored under oil to protect them from corrosion by air and waterwaterwater

You might be interested in

S+3O2→SO3<br> is this equation balanced why or why not<br> PLease help will mark as brainlyest

blondinia [14]

Answer:

Not balanced

Explanation:

You have one sulfer and 6 oxygen on the left

You have one sulfer and 3 oxygen on the right

In order to balance it, you would need 2 sulfer and 6 oxygen on each side

The equation for that is:

2S + 3O2 → 2SO3

4 0

3 years ago

What is released in the process of an atom decaying from an excited level to a lower energy level?

Leviafan [203]

I'm a little rusty but I think its a Photon?
hope this helps!

8 0

4 years ago

Explain why you can not use a physical reaction to separate elements that are chemically bonded together

Rainbow [258]

Their atoms are too tightly bonded to each other for them to be separated by a physical reaction

3 0

3 years ago

What is the total number of distinct 13C NMR signals that may be observed for the product, methyl-3-nitrobenzoate, and for the r

tigry1 [53]

Answer:

See explaination

Explanation:

methyl-3-nitrobenzoate = 3-NO2-C6H4-COOCH3

Singlet at 4 ppm = CH3 from ester (COOCH3)

Triplet at 7.6 ppm = Aromatic, H5 proton

Doublet at 8.2 ppm - Aromatic, H4 and H6 protons

Singlet at 8.8 ppm - Aromatic, H2 proton

See attached file for diagrammatic representation and further solution.

8 0

4 years ago

The law of ____ states that in all samples of the same chemical compound, the masses of the elements are always in the same prop

Karolina [17]

I believe it's D. Definite Proportions.

7 0

4 years ago