An atom is:
a. a negatively-charged particle that circles a nucleus.
b. a positively-charged particle within a nucleus.
c. the smallest particle into which an element can be divided while still retaining the
chemical characteristics of that element.
d. a combination of elements.
e. a negatively-charged particle that orbits the nucleus
C
You might also like to view...
Humans are the most powerful biotic agent on Earth, influencing all ecosystems on a planetary scale
Indicate whether the statement is true or false
If lungfishes and salamanders are more closely related to each other than either is to salmon, then an evolutionary classification should classify
A) lungfishes and salamanders together to the exclusion of salmon. B) lungfishes and salmon together to the exclusion of salamanders. C) salamanders and salmon together to the exclusion of lungfishes. D) All of the above would work as evolutionary classifications.
The present topography of the Appalachian mountains is due to ____
a. Cenozoic orogenies b. Mesozoic volcanism c. Cenozoic uplift and erosion d. Cenozoic volcanism e. glacial retreat
Grazing animals such as deer are ________
A) detritivores B) producers C) primary consumers D) parasites E) secondary consumers