subject
Chemistry, 02.12.2020 01:30 amadileaks

I have to write about this is my work Your friend, who has been studying asteroids, has encountered an element they cannot identify. This element has several unique characteristics. It is a brittle solid at room temperature and not very reactive. After experimenting on the element, they were able to determine that the atomic mass was at least 30 and no higher than 33. The element also has valence electrons in the third energy level. Looking at the periodic table below, answer the following questions in CER format: What could be the identity of this element? There is more than one correct answer.

ansver
Answers: 1

Another question on Chemistry

question
Chemistry, 22.06.2019 02:30
What does the cell nucleus do or, how does it function?
Answers: 1
question
Chemistry, 23.06.2019 05:30
Based on the formulas, select the compounds below that are covalent: kbr sif4 al2o3 co2 naco3 s7o2 pcl3 fe3n2 h2o s2f10
Answers: 3
question
Chemistry, 23.06.2019 07:00
4. glenn andrews recently bought a motorcycle for $3,950. if he had to pay 6% sales tax on the bike, what was the total cost of the motorcycle?
Answers: 1
question
Chemistry, 23.06.2019 08:30
Of element x has 22 protons, how many electrons does it have
Answers: 1
You know the right answer?
I have to write about this is my work Your friend, who has been studying asteroids, has encountered...
Questions
question
Mathematics, 05.10.2020 14:01
question
Mathematics, 05.10.2020 14:01
Questions on the website: 13722363