subject
Biology, 27.01.2021 01:00 Maryhejsbsksb

The first electron energy shell of an atom contains one electron orbital that can hold up to two electrons, and the second energy shell contains four electron orbitals that can hold up to electrons total.

ansver
Answers: 1

Another question on Biology

question
Biology, 22.06.2019 06:00
Monomers are the building blocks of larger molecules, called polymers. for example, proteins are composed of chains of amino acids that are linked together. cellulose is a polymer that makes up plant cell walls. cellulose is made from a chain of c6h10o5 molecules. which monomers are most likely used to produce cellulose? why?
Answers: 3
question
Biology, 22.06.2019 07:30
The picture represents a structure of the respiratory system. which is the function of this structure? to bring air into the body to exchange oxygen with carbon dioxide to carry air to the lungs to release oxygen from the body
Answers: 1
question
Biology, 22.06.2019 08:20
The table lists the observations students made about four specimens under a microscope. based on these observations, what specimens did the students examine? animal plant virus prokaryote cell membrane present ribosomes present lysosomes present nuclear membrane present cell wall present ribosomes present nuclear membrane absent cell wall present ribosomes present nucleus present large vacuole present reproduces inside of a cell nucleus absent rna present 2019 edmentum all rights reserved intl
Answers: 2
question
Biology, 22.06.2019 11:30
Graded assignment lab report answer the questions below. which combinations of substances resulted in a chemical change? for each metal that participated in a chemical change, write the type of metal it is, based on your examination of the periodic table. were there any metallic compounds that did not react with either the acid or the base? write the type of metal, based on your examination of the periodic table. make a general statement about the reactivity of the metals in this experiment.
Answers: 1
You know the right answer?
The first electron energy shell of an atom contains one electron orbital that can hold up to two ele...
Questions
question
Mathematics, 30.10.2020 17:40