Chemistry, 12.11.2020 19:20 Llamacornbabe
Which statement describes the charge and location of an electron in an atom?
1.
An electron has a positive charge and is located outside the nucleus.
An electron has a positive charge and is located in the nucleus.
2.
3.
An electron has a negative charge and is located outside the nucleus.
4.
An electron has a negative charge and is located in the nucleus.
Answers: 3
Chemistry, 22.06.2019 12:50
What is the chemical name of the compound na2co3? use the list of polyatomic ions and the periodic table to you answer. a. sodium carbon oxide b. sodium carbonate c. sodium(ll) carbonate d. sodium oxalate
Answers: 1
Chemistry, 22.06.2019 22:30
Consider a culture medium on which only gram-positive organisms such as staphylococcus aureus colonies can grow due to an elevated nacl level. a yellow halo surrounds the growth, indicating the bacterium fermented a sugar in the medium, decreasing the ph as a result and changing the color of a ph indicator chemical. this type of medium would be referred to as a differential and enrichment culture.
Answers: 2
Chemistry, 22.06.2019 23:00
In the reaction h2co3 (aq) + 3nh3 (aq) = 2 nh4+ (aq) + co3 2-, how many electrons are transferred?
Answers: 3
Which statement describes the charge and location of an electron in an atom?
1.
An electron h...
An electron h...
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