2. A student has two samples of pure iron. Both samples are malleable and

1 answer:

3 0

C. They are composed of the same type of atoms.

You might be interested in

babymother [125]

Answer:

Their electrons are placed in a higher number of orbitals

Explanation:

The atomic no is 31

The configuration is given by

$\\ \sf\longmapsto 1s^22s^22p^63ss^23p^63d^{10}4s^24p^1$

$\\ \sf\longmapsto [Ar]3d^{10}4s^24p^1$

5 0

3 years ago

Rudiy27

B. carbon sequestration

Explanation:

Carbon sequestration is a method that reduces carbon dioxide emissions by storing them for a long time.

It is long term harvesting or sequestering of carbon dioxide from the atmosphere in order to avert air pollution and climatic change problems.
Carbon sequestration is usually employed in the storage and capture of atmospheric carbon dioxide.
The carbon dioxide can be sequestered using biologic or geologic means.
Carbon dioxide gas is used to enhance oil recovery from geologic formations that have low permeability or those with low formation pressure to push out the oil.

Learn more:

#learnwithBrainly

5 0

3 years ago

Dafna11 [192]

Answer:

1s^2..2s^2..2p^6..3s^1

Explanation:

Since sodium has 11 electrons...its electron configuration is...;