| Vocabulary | True or False | Atomic Math | Multiple Choice Questions | Random |
|---|---|---|---|---|
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What is an Isotope
Atoms of the same element with different numbers of neutrons
|
False
electron cloud is heavier than nucleus
|
Protons + Neutrons
Atomic mass is _________ + _________
|
a. An average of all the different isotopes in the world
Average atomic mass is:
a. An average of all the different isotopes in the world b. An average of all the electrons in the atom c. An average of all the protons in the atom d. None of the above |
Protons and neutrons
Which parts of the atom contributes to the atomic mass?
|
|
What is an electron cloud
Area around the nucleus
|
True
an atom is composed of nucleus and electron cloud
|
28 N
Chromium
An atom's atomic number is 24 and mass number is 52. What is the number of neutrons? and what is the name of the element?
|
a. # of protons
25. What makes an atom different from one another?
a. # of protons b. # of neutrons c. # of electrons d. None of the above |
-1, +1, 0
What are the charges for electrons, protons, and neutrons?
|
|
What is cation and anion
Names of positive ion and negative ion
|
True
isotopes of the same element have the same # of protons but different # of neutrons
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32 P and 73 N
Germanium
A neutral atom has 32 electrons. How many protons and neutrons does this element have? and what is the name of the element?
|
b. 2; nucleus and electron cloud
21. How many parts is an atom composed of? What are the parts?
a. 3; proton, neutron, electron b. 2; nucleus and electron cloud c. 1; atom d. 4; nucleus, proton, neutron, electron |
Carbon
Diamond is made up of which element?
|
|
What is a nucleus
What is the area of an atom that contains protons and neutrons called?
|
False
electron cloud is inside the nucleus
|
108 P and 157 N
Hassium
An atom's atomic number is 108 and mass number is 265. What is the number of protons and neutrons? and what is the name of the element?
|
a. Cation has lost electrons
30. What does it mean to be a cation?
a. Cation has lost electrons b. Cation has gained electrons c. Cation has no charge d. None of the above |
6 P and 8 N
For carbon-14, what is the number of protons and neutrons?
|
|
What is ion
An atom that is no longer neutral because it has gained or lost electrons
|
True
cations and anions are attracted to each other
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63 P and 89 N
Europium
An atom's atomic number is 63 and mass number is 152. What is the number of protons and neutrons? and what is the name of the element?
|
a. Nucleus, which consists of proton and neutron
24. For the atomic mass, which part of the atom is counted towards the mass?
a. Nucleus, which consists of proton and neutron b. Electron cloud, which consists of electron c. Nucleus, which consists of electron and proton d. Electron cloud, which consists of neutron and electron |
Atom
________________: building blocks of matter
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