Answer:
Chromium
Explanation:
Cr has 24 atomic number and mass number 52
Explanation:
vraiLe point d'ébullition est la température à laquelle une substance passe de la phase liquide à la phase gazeuse
Answer: chemical property.
Explanation:
The chemical properties are the capacity or incapacity of a substance to transform into one or more different substance either by reacting with one or more different substances or by decomposition.
Such properties can only be observed when such change (reaction) takes place and the substance, therefore, is transformed into one or more different substances.
On the other hand, the physicial properties can be observed or measured without changing the composition of the sample.
Answer:
1s22s22p3.
Explanation:
Electronic configuration of a neutral atom is 1s22s22p3.
Please see the image attached
Neutral atom of nitrogen will have equal number of proton and electron i.e equal to 7. 7 electron of the nitrogen are placed into the s and p orbitals in the ground state.