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Atoms, Elements, and the Periodic Table Flashcards | StudBud
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Atoms, Elements, and the Periodic Table
Atoms, Elements, and the Periodic Table
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1
From the information in the periodic table, how many neutrons does the most common isotope of carbon have?
1
12
14
6
2
The elements in group 17 of the periodic table, such as fluorine and chlorine, are also called __________
alkali metals
halogens
alkaline earth metals
nobel gases
3
atoms are ______.
neutral
negative
positive
all of the above
4
How many orbits does a hydrogen atom have?
4
3
2
1
5
Which phrase best describes a group or family in the periodic table?
elements that have the same number of electrons in their outermost orbits
elements that are all in the same physical state at room temperature
elements that have the same melting point
elements that have the same number of protons in their nucleus
6
Which of the following correctly describes the atomic number of an element?
the number of neutrons in the atom’s nucleus
the number of protons, neutrons, and electrons in the atom’s nucleus
the number of electrons in the atom’s nucleus
the number of protons in the atom’s nucleus
7
Which of the following is a compound?
carbon
chloride
water
sodium
8
__________ of an element have the same number of protons but different numbers of neutrons.
Types
isotopes
ions
non metals
9
Diamonds, the graphite used in pencils, and charcoal are made mostly of _________ atoms.
hydrogen
carbon
oxygen
nitrogen
10
In the periodic table we use today, the elements are arranged by increasing ______.
energy
mass
neutrons
atomic number
