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Atomic Nature of Matter & Carbon Dating Flashcards | StudBud
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Atomic Nature of Matter & Carbon Dating
Atomic Nature of Matter & Carbon Dating
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1
Which subatomic particles are located in the nucleus?
only protons
protons and neutrons
protons and electrons
protons and nucleus
2
Which subatomic particle has a relative mass of 1?
Protons
Newtrons
Neutrons
Electrons
3
Negatively charged particles that move around the atoms nucleus are the?
protons
elements
electrons
neutrons
4
Which two subatomic particles make up most of the mass of an atom?
neutrons and electrons
neutrons and protons
protons and electrons
positives and negatives
5
During beta-minus decay, the radioactive atom
loses a proton
gains a proton
releases an electron
loses a mass of 4
6
In nuclear chemistry, what does fusion mean?
When protons come together
When the nucleus splits into more atoms
When 2 atoms come together and form a new atom
When neutrons come together
7
If you start with 10 mg of carbon-14, in 5730 years how many mg will you have?
5mg
None
10mg
20mg
8
Subatomic particles with a neutral charge.
electron
proton
neutron
nucleus
9
Neutrons collide with an atom of ________ to produce a carbon 14 isotope.
Nitrogen-14
Carbon-13
Carbon-15
Boron-14
10
Why do atoms undergo radioactive decay?
To become more stable
To lose protons
To become less stable
To get an octet
11
Atomic Mass is...
The mass of atoms of an element.
The average mass of all the isotopes of an element.
The mass of an object measured in atoms.
12
Which of these is
NOT
related to carbon dating?
Carbon comes in different forms: C-12, C-13, C-14
Can tell us how long a tree lived.
Uses carbon atoms to determine how old things are.
Proportion of C-14 to C-12 in all living organisms is relatively constant
13
The
positive
subatomic particles is
Cation, anion, ion
Proton
Neutron
none of the above
14
What three subatomic particles are atoms made of?
Protons, neutrons, and H2O
nitrogen, protons, and electrons
Neutrons, electrons, and carbon
protons, neutrons, and electrons
15
Which subatomic particles have the least mass?
Protons
Atoms
Electrons
Neutrons
16
Which two atoms are isotopes of one another?
R & T
R & S
Q & T
Q & S
17
Nuclear fission is...
When one atom splits smaller atoms of the same element.
When one nucleus splits into two nuclei
Nuclear Waste, such as radioactive decay
When two nuclei join together
18
the average mass of all the isotopes of an element
mass number
atomic mass
19
During alpha decay, the radioactive atom
loses a mass of 4
gains a proton
gains electrons
loses electrons
20
What is the process by which plants use water and carbon dioxide to make food?
Respiration
Chemosynthesis
Transpiration
Photosynthesis
21
Isotopes of an element have a different number of _____
Neutrons
Electrons
Protons
Atoms
22
The atomic number is the number of....
electrons
neutrons
electrons, neutrons and protons
protons
23
What is carbon-14?
10 protons 5 neutrons
8 neutrons 6 protons
14 atoms of carbon
The 14th carbon atom
24
What is an electron cloud?
A stream of positively charged particles
Matter made of atoms.
An area where electrons are likely to be found.
Describes the exact location of electrons in an atom.
25
The mass number of an atom tells you . . .
how many protons and neutrons an atom has.
how many neutrons an element has.
how many protons and electrons an element has.
how many electrons an atom has.
26
True or False: Radioactive decay changes atoms into different elements.
false
true
27
What is the half life of a carbon-14 isotope?
5730 years
7305 years
5370 years
3570 years
