Chemistry, 06.05.2020 04:33 avahrhey24
Differentiate the ways in which bacteria can be helpful or harmful by dragging each tile to the correct category
Harmful
cause serious illnesses
Helpful
produce oxygen
lead to tooth decay
contribute to common. illnesses
help develop medicines
decompose waste
Answers: 1
Chemistry, 22.06.2019 18:50
Question 3(multiple choice worth 4 points) (04.04 lc) what does it mean when an element is reduced? it empties a valance shell, reducing its atomic radius. it gains electrons, reducing its overall charge. it increases electronegativity, reducing its ability to bond. it loses electrons, reducing its electron number.
Answers: 1
Chemistry, 22.06.2019 23:30
The sum of the oxidation numbers in a neutral compound is always
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Chemistry, 23.06.2019 02:00
An alpha particle is: a hydrogen atom a nucleus of helium two neutrons an electron
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Chemistry, 23.06.2019 04:10
An unknown substance has been shown to have weak covalent bonds. which of the following is most likely a property of this substance? a. high ph b. high conductivity c. low melting point d. low flammability
Answers: 3
Differentiate the ways in which bacteria can be helpful or harmful by dragging each tile to the corr...
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